1.Correlation between parental behaviors and autistic traits in children with autism spectrum disorder
Chinese Journal of School Health 2026;47(6):818-821
Objective:
To understand the correlation between autistic traits in children with autism spectrum disorder(ASD) and their parental behaviors, so as to provide evidence for improving social behavior in children with ASD.
Methods:
A total of 62 children aged 4-7 years diagnosed with ASD at Guangdong Provincial Work Injury Rehabilitation Hospital and Guangzhou Yuexiu District Children s Hospital from October 2021 to May 2025 were selected as the ASD group. A random number table method was used to select 62 healthy children of the same age from 3 ordinary kindergartens in Guangzhou as the control (typically developing,TD) group. The Parental Behavior Inventory and Social Responsiveness Scale were used to evaluate parental behaviors and autistic traits in both groups. The t-test and multiple linear regression were used to analyze the relationship between autistic traits in children with ASD and parental behaviors.
Results:
Compared with the TD group, the ASD group had significantly higher scores in social awareness, social cognition, social communication, social motivation, autistic behavior patterns, and the total score of social responsiveness, with statistically significant differences ( t =35.83, 46.17, 64.36, 41.45, 49.46,101.15, all P <0.01). The score of parental support/participation in the ASD group (24.61±4.30) was lower than that in the TD group (31.27±4.58), while the score of parental hostility/coercion in the ASD group (25.51±2.72) was higher than that in the TD group (12.75±2.72), with statistically significant differences ( t = -8.34, 26.14, both P <0.01). The total score of the Social Responsiveness Scale was negatively correlated with the dimension score of parental support/participation behaviors, and positively correlated with the dimension score of parental hostility/coercion behaviors ( r =-0.60, 0.91,both P <0.05). After adjusting for covariates such as children s age, gender, and primary caregiver, ASD children with exclusive breastfeeding ( β =-8.79) and parental support/participation behaviors ( β = -0.79 ) had a lower risk of autistic traits, while children with parental hostility/coercion behaviors ( β =4.62) had a higher risk of autistic traits (all P <0.05).
Conclusion
Autistic traits in children with ASD may be related to their parental behaviors and early feeding mode.
2.Intravesical instillation of urokinase plus heparin sodium for bladder clot irrigation:preliminary experience with 3 cases
Qi'ao JING ; Shengtong YE ; Jiaying SONG ; Tongjingzhi LIN ; Qi ZHANG ; Zicheng LI ; Yang SU ; Zhihui ZOU ; Chaozhao LIANG
Journal of Modern Urology 2026;31(1):57-59
Objective To evaluate the feasibility of intravesical instillation of urokinase and heparin sodium in the treatment of bladder clot irrigation.Methods This report discusses the diagnosis and treatment of three patients with bladder blood clot tamponade confirmed by abdominal and pelvic computed tomography(CT)scans enrolled from our hospital during Jun. to Sep. 2024, and discuss the relevant literature.Results A solution containing urokinase(20 000 IU)and heparin sodium(125 000 U)was instilled through a three-way catheter and retained for 30 minutes before drainage. Complete clot dissolution was achieved in all cases, with immediate relief of hypogastric distension and pain. Post-procedural CT showed restored bladder lumen patency. Hemoglobin levels decreased by 2-5 g/L without complications.Conclusion This preliminary trial demonstrated that intravesical instillation of urokinase-heparin provides a safe and effective minimally invasive alternative for bladder clot in irrigation cases.
3.An analysis of clinical pharmacist training bases and pharmacist staffing status based on field research
Liang HUANG ; Jiancun ZHEN ; Li YOU ; Jing BIAN ; Yishan BU ; Quanzhi LI ; Zining WANG ; Xiaofen YE ; Ping ZHENG ; Rui YANG ; Jun YANG ; Yangui XU ; Jin LU
China Pharmacy 2026;37(13):1661-1666
OBJECTIVE To clarify the current development status of clinical pharmacist training bases and the pharmacist workforce in China, and to provide evidence for standardizing base construction and promoting the high-quality development of hospital pharmacy. METHODS Questionnaires were distributed to all clinical pharmacist training bases for urgently-needed health professionals and clinical pharmacist training bases under the Chinese Hospital Association that had been approved by the end of 2023 to collect data including base profiles and pharmacist staffing conditions. Expert teams carried out field investigations to verify the collected data. Descriptive statistical analyses were conducted on the quantity, type and regional distribution of training bases, and the influencing factors of pharmacist staffing in the bases were analyzed. RESULTS Field surveys were completed covering 297 training bases across 31 provincial-level administrative regions. Among the base hospitals, 87.88% were Grade A tertiary general hospitals, and 65.32% were located in provincial capitals. The eastern region had the largest number of bases (136, accounting for 45.79%), followed by the western region (79, 26.60%). Great disparities existed among provinces in terms of base quantity and hospital scale. The median proportion of pharmaceutical technical personnel in base hospitals was 4.05%, and the median number of clinical pharmacists per 100 hospital beds was 0.53. Both indicators reached the highest in the eastern region (0.57, 4.43%) and the lowest in the northeastern region (0.45, 3.01%). A total of 3 627 full-time clinical pharmacists were employed in all surveyed bases, among whom 83.68% held clinical pharmacist training certificates, 35.43% possessed senior professional titles, and 78.19% had postgraduate or higher educational background. The total annual training capacity of the surveyed bases was 4 291 trainees, with obvious differences in annual training capacity across regions and provinces. Training specialties covered 19 specialized disciplines plus one general discipline, and no province could deliver training for all 20 specialties simultaneously. Multivariate Logistic regression analysis showed that geographic region exerte d a significant impact on the proportion of pharmaceutical technical personnel (≥4%) ( P <0.05), while the approval time of training bases and hospital scale had significant effects on the number of clinical pharmacists per 100 beds (≥0.6) ( P <0.05). CONCLUSIONS China’s clinical pharmacist training system has basically matured and taken initial shape. The distribution of clinical pharmacist training resources is generally consistent with regional population and economic development levels. However, the allocation of pharmaceutical staff and clinical pharmacists has not yet met national standards and clinical service demands.
4.An analysis of clinical pharmacist training bases and pharmacist staffing status based on field research
Liang HUANG ; Jiancun ZHEN ; Li YOU ; Jing BIAN ; Yishan BU ; Quanzhi LI ; Zining WANG ; Xiaofen YE ; Ping ZHENG ; Rui YANG ; Jun YANG ; Yangui XU ; Jin LU
China Pharmacy 2026;37(13):1661-1666
OBJECTIVE To clarify the current development status of clinical pharmacist training bases and the pharmacist workforce in China, and to provide evidence for standardizing base construction and promoting the high-quality development of hospital pharmacy. METHODS Questionnaires were distributed to all clinical pharmacist training bases for urgently-needed health professionals and clinical pharmacist training bases under the Chinese Hospital Association that had been approved by the end of 2023 to collect data including base profiles and pharmacist staffing conditions. Expert teams carried out field investigations to verify the collected data. Descriptive statistical analyses were conducted on the quantity, type and regional distribution of training bases, and the influencing factors of pharmacist staffing in the bases were analyzed. RESULTS Field surveys were completed covering 297 training bases across 31 provincial-level administrative regions. Among the base hospitals, 87.88% were Grade A tertiary general hospitals, and 65.32% were located in provincial capitals. The eastern region had the largest number of bases (136, accounting for 45.79%), followed by the western region (79, 26.60%). Great disparities existed among provinces in terms of base quantity and hospital scale. The median proportion of pharmaceutical technical personnel in base hospitals was 4.05%, and the median number of clinical pharmacists per 100 hospital beds was 0.53. Both indicators reached the highest in the eastern region (0.57, 4.43%) and the lowest in the northeastern region (0.45, 3.01%). A total of 3 627 full-time clinical pharmacists were employed in all surveyed bases, among whom 83.68% held clinical pharmacist training certificates, 35.43% possessed senior professional titles, and 78.19% had postgraduate or higher educational background. The total annual training capacity of the surveyed bases was 4 291 trainees, with obvious differences in annual training capacity across regions and provinces. Training specialties covered 19 specialized disciplines plus one general discipline, and no province could deliver training for all 20 specialties simultaneously. Multivariate Logistic regression analysis showed that geographic region exerte d a significant impact on the proportion of pharmaceutical technical personnel (≥4%) ( P <0.05), while the approval time of training bases and hospital scale had significant effects on the number of clinical pharmacists per 100 beds (≥0.6) ( P <0.05). CONCLUSIONS China’s clinical pharmacist training system has basically matured and taken initial shape. The distribution of clinical pharmacist training resources is generally consistent with regional population and economic development levels. However, the allocation of pharmaceutical staff and clinical pharmacists has not yet met national standards and clinical service demands.
5.Study on the current status of quality management of clinical pharmacist training bases in China
Ping ZHENG ; Jiancun ZHEN ; Li YOU ; Yangui XU ; Liang HUANG ; Jing BIAN ; Jin LU ; Yishan BU ; Quanzhi LI ; Zining WANG ; Xiaofen YE ; Jun YANG ; Rui YANG
China Pharmacy 2026;37(14):1826-1831
OBJECTIVE To investigate the current status of quality management in clinical pharmacist training bases in China, and to provide references for the standardized development and improvement of these bases. METHODS A combined approach of questionnaire survey and on-site investigation was adopted, targeting the healthcare highly sought-after talent (clinical pharmacist) training bases in 31 provinces of China as well as the clinical pharmacist training bases affiliated with the Chinese Hospital Association. A training quality management evaluation index system consisting of 25 tertiary indicators was established. Investigations were conducted from two dimensions: structural quality of training and quality management of training processes. Data were statistically analyzed using descriptive statistical methods. RESULTS On-site investigations were completed for 297 clinical pharmacist training bases across the 31 provinces, among which 284 were affiliated with the Chinese Hospital Association and 271 were healthcare highly sought-after talent (clinical pharmacist) training bases. In terms of structural quality, the core indicator compliance rate for hospital-level training systems exceeded 80%, the rate of special fund utilization for designated purposes reached 80.13%, and the overall compliance rate for software and hardware facilities surpassed 88%. A total of 1 348 preceptors were employed across the training bases, among whom those with senior professional titles and full-time specialist clinical pharmacists as lead preceptors accounted for 62.91% and 94.36%, respectively. Regarding process quality, the compliance rate for “establishment of clinical practice teaching groups in accordance with regulations during clinical department rotations” was 85.19%, and 79.80% and 76.09% of the bases were found to implement strict confidentiality in theoretical examinations and meet the required scale of assessment cases, respectively. However, formal documents of corresponding training management regulations were formulated in only 57.91% of the bases, and the completeness and standardization rate of training manual completion was merely 47.47%. In addition, considerable disparities in quality management levels were observed among provinces, with issues in training process quality being particularly prominent. CONCLUSIONS The management system, hardware facilities, and preceptor staffing of clinical pharmacist training bases in China are relatively well-established, yet notable variations in quality management exist among training bases across different provinces.
6.Analysis of knowledge, attitude, and practice levels regarding health protection against air pollution and related factors among Chinese primary school students
Chinese Journal of School Health 2026;47(7):958-961
Objective:
To assess the current status of knowledge, attitude, and practice (KAP) regarding health protection against air pollution among primary school students in China, and to analyze the impacts of fine particulate matter (PM 2.5 ) exposure, family, and individual factors on KAP levels, so as to provide empirical basis for implementing targeted interventions.
Methods:
Using stratified cluster random sampling method, a questionnaire survey was conducted among 19 297 primary school students from third to fifth grade across 30 provinces (autonomous regions and municipalities directly under the central government) in China in 2024. The questionnaire was developed based on the Technical Guidelines for the Assessment of Civic Environmental and Health Literacy (Trial), and encompasses three dimensions:knowledge, attitude, and practice. Spearman correlation analysis, Chi-square test, multivariate Logistic regression, and Bootstrap mediation effect test was applied for data analysis.
Results:
The overall mean KAP score for health protection against air pollution among primary school students was (79.73±13.53), with an adequacy rate of 80.47% ( n =15 528). The dimension scores for knowledge, attitude, and practice were (41.34±8.01, 16.43± 2.61 ), and (21.97±5.71), respectively. Knowledge was positively correlated with attitude and practice, and attitude was positively correlated with practice ( r =0.51, 0.35, 0.32, all P <0.01). Multivariate Logistic regression showed that the northeast region ( OR =2.36, 95% CI =2.02-2.75), having parents with a bachelor s degree or higher ( OR =4.76, 95% CI =2.71-8.37), living with both parents ( OR =1.33, 95% CI =1.15-1.55), being in the fifth grade ( OR =1.22, 95% CI =1.11-1.33), outdoor PM 2.5 level exceeding standard limits at the survey site ( OR =1.25, 95% CI =1.16-1.34), history of allergy ( OR =1.47, 95% CI =1.31-1.64), and wearing masks during heavily polluted weather ( OR =1.19, 95% CI =1.07-1.31) were promoting factors for KAP adequacy rate (all P <0.05). Conversely, obesity was a detrimental factor ( OR =0.78, 95% CI =0.69-0.88, all P <0.05).
Conclusions
Primary school students in China exhibit a favorable KAP level regarding health protection against air pollution, though regional, familial, and individual disparities persist. Exposure to PM 2.5 levels exceeding standard limits exerts a direct positive effect on enhancing health protection literacy. Future efforts should focus on the western region, families with lower educational attainment children to implement tailored, stratified interventions.
7.Impact of portal vein tumor thrombus classification on rebleeding in hepatocellular carcinoma patients with esophagogastric variceal bleeding
Jiali MA ; Xiaohui YE ; Hongshan WEI ; Ping LI ; Xiuxia LIANG
Journal of Clinical Hepatology 2026;42(5):1101-1108
ObjectiveTo investigate the impact of portal vein tumor thrombus (PVTT) classification on rebleeding in hepatocellular carcinoma (HCC) patients with different PVTT subtypes and esophagogastric variceal bleeding (EGVB), and to provide a reference for formulating rational treatment regimens for such patients. MethodsA retrospective study was performed for 130 patients with HCC and PVTT who were treated due to EGVB in Beijing Ditan Hospital, Capital Medical University, from July 2020 to January 2025, and according to whether endoscopic treatment was performed, the patients were divided into endoscopic treatment group with 97 patients and conservative treatment group with 33 patients. Demographic and clinical data were collected from all patients, and the two groups were compared in terms of hemostasis success rate and rebleeding rate. The independent-samples t test was used for comparison of normally distributed continuous data between groups, and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between groups; the chi-square test or the Fisher’s exact test was used for comparison of categorical data between groups. The Kaplan-Meier method was used to estimate the cumulative incidence rate of rebleeding in patients with different subtypes of PVTT. Propensity score matching (PSM) was performed for the endoscopic treatment group and the conservative treatment group to balance the baseline data of the two groups. The Cox proportional hazards model was used to perform univariate and multivariate analyses and identify independent risk factors for rebleeding. ResultsThe endoscopic treatment group had a significantly lower cumulative rebleeding rate within 6 months than the conservative treatment group (35.1% vs 57.6%, hazard ratio [HR]=0.480, 95% confidence interval [CI]: 0.272—0.851, P=0.019). The PVTT Ⅲ—Ⅳ group had a significantly higher cumulative rebleeding rate within 6 months than the PVTT Ⅱ group (52.2% vs 37.5%, HR=1.744, 95%CI: 1.008 — 3.018, P=0.022). After PSM, there was no significant difference in rebleeding rate between the endoscopic treatment group and the conservative treatment group (38.1% vs 14.3%,HR=1.500,95%CI:0.125 — 2.002, P=0.588), while the PVTT Ⅲ—Ⅳ group had a significantly higher cumulative rebleeding rate than the PVTT Ⅱ group (58.8% vs 12.5%,HR=1.561,95%CI:1.195 — 12.499,P=0.033). The multivariate Cox regression analysis showed that PVTT subtype (HR=1.412, 95%CI: 0.998 — 1.997, P=0.049), platelet count (HR=1.006, 95%CI: 1.001 — 1.010, P=0.021), C-reactive protein (HR=1.011, 95%CI: 1.001 — 1.021, P=0.026), and ascites (HR=1.803, 95%CI: 1.059 — 3.068, P=0.030) were independent risk factors for rebleeding. ConclusionFor HCC patients with PVTT and EGVB, endoscopic treatment can successfully achieve hemostasis, while it fails to significantly reduce rebleeding rates. PVTT classification can affect the risk of rebleeding, and patients with PVTT types Ⅲ—Ⅳ have a relatively high rebleeding rate.
8.Effect of proprioceptive stimulation combined with shoulder strength training on cervical function in healthy young males
Yixiong LIANG ; Qiuchen HUANG ; Lili YU ; Miao YE ; Jianjun LI
Chinese Journal of Rehabilitation Theory and Practice 2026;32(10):1204-1215
ObjectiveTo investigate the effect of proprioceptive stimulation combined with shoulder strength training on cervical muscle morphology, vertebral artery hemodynamics, proprioception and motor function in healthy young men. MethodsThirty healthy young men recruited from Beijing Bo'ai Hospital between January, 2022 and June, 2024 were randomly divided into a proprioceptive stimulation (PS) group, a strength training (ST) group and a combined training (CT) group, with ten participants in each group. PS group received proprioceptive stimulation using suspension vibration, ST group received isometric contraction of the right shoulder joint in six directions, and CT group received both interventions concurrently, for four weeks. Before and after intervention, the cross-sectional area (CSA) of the right cervical multifidus, the end diastolic velocity (EDV) and peak systolic velocity (PSV) of the vertebral artery, cervical range of motion (ROM), isometric peak torque (IPT) and cervical joint position error (CJPE) were measured. ResultsAll 30 subjects completed the study, and no serious adverse events were reported. The time-by-group interaction in CSA was significant (F = 10.183, P = 0.001, partial η² = 0.430); CSA was higher in CT group than in PS group and ST group (P < 0.05). The time-by-group interactions in EDV and PSV were significant (F > 4.036, P < 0.05, partial η² > 0.230); PSV was significantly higher in CT group than in PS group and ST group (P < 0.001). The time-by-group interaction in extension ROM was significant (F = 54.277, P < 0.001, partial η² = 0.801); extension ROM was significantly higher in CT group than in PS group and ST group (P < 0.001). The time-by-group interactions in flexion, extension and lateral flexion IPT were significant (F > 14.251, P < 0.001; partial η² > 0.514); flexion IPT was higher in CT group than in PS group and ST group (P < 0.05). ConclusionIn healthy young men, proprioceptive stimulation combined with shoulder strength training can improve neck muscle strength, blood flow and motor function.
9.Clinical analysis of Haemophilus influenzae meningitis in children
Zhenzhen DOU ; Hong LI ; Qiang YE ; Wenbin LIU ; Lingyun GUO ; Bing HU ; Tianming CHEN ; Huili HU ; Xin GUO ; Heying CHEN ; Liang ZHU ; Haijuan XIAO ; Gang LIU
Chinese Journal of Pediatrics 2025;63(3):288-292
Objective:To analyze the clinical characteristics and outcomes of Haemophilus influenzae (Hi) meningitis in children. Methods:This is a retrospective case series study. This study included 34 Hi meningitis patients who admitted to Beijing Children′s Hospital, Capital Medical University, from January 1, 2010, to December 31, 2023. Data on clinical presentations, laboratory tests, hearing assessment and outcomes at discharge were collected. Patients were divided into 2 groups according to the outcome at discharge: favorable outcome group and unfavorable outcome group. Mann-Whitney U test and Fisher exact test was used to estimate the risk factors for an unfavorable outcome at discharge. Results:Thirty-four patients were enrolled. There were 16 males and 18 females. The age at onset ranged from 3 months to 12 years. Fever (34 patients (100%)), convulsions (17 patients (50%)), and coma (21 patients (62%)) were the common clinical presentations. Twenty-four patients (71%) developed complications. There were 15 patients (44%) needed treatment in the intensive care unit, 5 patients (15%) received intubation, and 4 patients (12%) had developed shock. The favorable outcome group included 23 patients, and the unfavorable outcome group included 11 patients. Female, patients with limb movement disability, dystonia, ventriculomegaly or hydrocephalus, and a concentration of glucose in the initial cerebrospinal fluid lower than 1 mmol/L were risk factors of unfavorable outcome at discharge (all P<0.05). Among the 23 patients (68%) in favorable outcomes group, 13 patients (57%) had data available on their long-term follow-up results, including 12 patients with favorable long-term outcomes and 1 patient with unfavorable long-term outcome. Among the 11 patients (32%) in unfavorable outcomegroup, 1 patient died, the other 10 patients (91%) had data available on their long-term outcomes. Eight patients had unfavorable long-term outcomes and 2 patients with favorable long-term outcomes. Patients who had unfavorable outcomes at discharge were at a greater risk of experiencing unfavorable long-term outcomes ( P=0.001). Conclusions:It is common for patients with Hi meningitis to have intracranial complications or develop into critical conditions. Patients who have limb movement disability, dystonia, ventriculomegaly or hydrocephalus, and who exhibit a concentration of glucose in the initial cerebrospinal fluid lower than 1 mmol/L tend to have unfavorable outcomes; they need to be assessed for sequelae.
10.Establish and validate a nomogram to predict the risk of pyonephrosis based on the difference in average CT attenuation values between renal pelvis urine and bladder urine
Shuchao YE ; Dongming LU ; Shangfan LIAO ; Quan WEI ; Yangfan LIANG ; Shengtai LI ; Yongyang WU
Chinese Journal of Urology 2025;46(2):97-103
Objective:To explore the predictive value of the difference in average CT attenuation values between renal pelvis urine and bladder urine on the risk of pyonephrosis, and to establish a nomogram model in combination with other parameters and to verify its predictive ability.Methods:The clinical data of patients with obstructive hydronephrosis who came to our hospital for emergency percutaneous nephrostomy (PCN) between January 2020 and December 2022 were retrospectively analyzed. There were 16 men and 33 women, with the age of (57.59, 14.67) years. Body mass index was (23.34, 3.11) kg/m 2. Urine nitrite was positive in 14 cases. Urine culture was positive in 21 cases. In the routine blood test, the median white blood cell count was 10.96 (7.21, 15.15) ×10 9/L, haemoglobin (115.08, 22.71) g/L and platelets (263.00, 97.20)×10 9/L. The difference in average CT attenuation values between renal pelvis urine and bladder urine (mean CT value of pyelonephritis-mean CT value of cysturia) was -2.19 (-7.04, 4.05) HU. Patients were divided into pyonephrosis group and hydronephrosis group according to whether the drainage fluid after PCN was pus. Single-factor and multi-factor logistic regression models were used to analyze the independent predictors of pyonephrosis and to construct nomograms. The discrimination of the model was assessed by the area under the curve (AUC) of the receiver operating characteristics (ROC), the accuracy by the calibration curve and the clinical efficacy by the decision curve analysis (DCA). Results:There were 49 cases in this study, 31 cases in the hydronephrosis group and 18 cases in the pyonephrosis group. The average CT attenuation values of renal pelvis urine were 3.35(0.56, 8.96) HU and 7.78 (3.75, 18.38) HU, respectively, and the difference between the two groups was statistically significant ( P=0.023). The average CT attenuation values of bladder urine were (7.81±6.15)HU and (7.22±7.50)HU, respectively, and there was no significant difference between the two groups ( P=0.780). The difference in average CT attenuation values between renal pelvis urine and bladder urine were -3.98(-7.54, 0.60)HU and 2.13 (-5.15, 9.36)HU, respectively, and the difference between the two groups was not statistically significant ( P=0.059); the white blood cells were 9.82(7.04, 12.46) ×10 9/L and 13.99(9.75, 18.44) ×10 9/L, respectively, and the difference between the two groups was statistically significant ( P=0.048). Platelet counts were (248.06±87.87)×10 9/L and (288.72±109.29)×10 9/L, respectively, and there was no statistical difference between the two groups ( P=0.189). The proportion of urine protein positive was higher in the pyonephrosis group (17 vs. 20, P=0.048). Between the two groups, sex, age, body mass index, clinical symptoms (with or without low back pain), surgical history of upper urinary tract stones, underlying diseases (including hypertension, diabetes, coronary heart disease, etc.), location of hydronephrosis (left, right, and both sides), reasons of obstruction [upper urinary tract stones, other factors (such as tumor, ureteral stricture, etc.)], haemoglobin, were not statistical different. There were no significant difference in blood glucose, blood potassium, blood sodium, urine leukocytes, urine erythrocytes, urine nitrite and urine culture ( P>0.05). Multivariate logistic regression analysis showed that the difference in average CT attenuation values between renal pelvis urine and bladder urine ( OR=1.196, 95% CI 1.055-1.437, P=0.018), white blood cells ( OR=1.252, 95% CI 1.036-1.615, P=0.038), and platelets ( OR=1.014, 95% CI 1.003-1.030, P=0.025) were independent predictors of pyonephrosis. According to the above indicators, the nomogram model was established and the AUC value of the model was 0.767 (95% CI 0.616-0.918), the sensitivity was 0.611 and the specificity was 0.935. The calibration curve showed that there is a good fit between the observed value and the predicted value. The DCA analysis showed that the nomogram model has a net gain in a wide threshold range, demonstrating its predictive accuracy and clinical practicality in predicting the risk of pyonephrosis. When the cut-off value of the difference between the average CT values of pyelonephritis and cystourethrosis was 6.54 HU, the AUC value of the independent prediction of pyonephrosis was 0.690(95% CI 0.564-0.816), the sensitivity was 0.444 and the specificity was 0.935. Conclusions:The difference in average CT attenuation values between renal pelvis urine and bladder urine is an independent risk factor for predicting pyonephrosis, and the nomogram constructed by combining it with white blood cells and platelets has a good predictive effect for predicting the risk of pyonephrosis. If the difference in average CT attenuation values between renal pelvis urine and bladder urine is greater than 6.54HU, it should be alert to the occurrence of pyonephrosis.


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