1.Relationship between life satisfaction of family caregivers and degree of disability of disabled elderly people in Xinjiang
Keru LIU ; Yali WU ; Yuhuan WANG ; Mengmeng ZHANG ; Shuhua ZHAO ; Xueting TANG ; Ruoxian WANG
Chinese Mental Health Journal 2024;38(2):144-150
		                        		
		                        			
		                        			Objective:To explore the relationship between the life satisfaction of family caregivers and the de-gree of disability of disabled elderly people in Xinjiang Uygur and Kazak nationality,and the role of family mem-bers'participation in the relationship.Methods:A total of 431 elderly people with disabilities at home and their fam-ily caregivers(247 without family members and 184 with family members)were selected from Xinjiang Uygur and Kazak ethnic groups,and the survey was conducted with the Activity of Daily Living Scale(ADL)and Life Satis-faction Index B(LSIB).Results:The LSIB scores in family caregivers were negatively correlated with the ADL scores in the disabled elderly(r=-0.19,P<0.01),and the family members'participation in care was positively correlated with the LSIB scores of family caregivers(r=0.52,P<0.01).Family members'participation in care could moderate the negative effect of the ADL scores in the disabled elderly on the LSIB scores in family caregivers(β=0.08,P<0.05).Conclusion:The involvement of family members in care has a moderating effect on the life satisfaction of Uyghur and Kazak family caregivers and the degree of disability of disabled elderly people.
		                        		
		                        		
		                        		
		                        	
2.Research progress on intratumoral microbiota and cancer immunotherapy
Xu XIAOFAN ; Chen ZHANGREN ; Hu WENLEI ; Wu XUETING ; Zhou RENCHAO ; Wang FEIYU ; Lyu QIAOLI
Chinese Journal of Clinical Oncology 2024;51(12):622-627
		                        		
		                        			
		                        			As research delves deeper into the mechanisms of tumor immune responses,studies reveal the importance of microbial com-munities within the tumor microenvironment in tumor progression and their interactions with the host immune system.Intratumoral micro-biota could influence the tumor microenvironment,thereby promoting or inhibiting tumor growth and development.Despite this import-ance,the specific role of intratumoral microbiota impacting cancer immunotherapeutic efficacy remains largely unexplored.A deeper under-standing of the characteristics and biological functions of tumor-specific microbiota heralds a potential revolutionary innovation in cancer treatment.In this review,we introduce the discovery and sources of intratumoral microbiota,also addressing its composition,and discuss tumor tissue characteristics.Moreover,we briefly review the history of cancer immunotherapy development with a particular focus on the research progress concerning the impact of intratumoral microbiota on cancer immunotherapy.Furthermore,we explore emerging strategies that combine targeting intratumoral microbiota with immunotherapy to enhance immune efficacy,inhibit tumor progression,and improve cure rates,anticipating that this approach could represent a new direction for enhancing treatment outcomes and prospects.
		                        		
		                        		
		                        		
		                        	
3.Chip analysis in exploring the pathogenesis of patients with ankylosing spondylitis
Xueting WEI ; Chaoyang LONG ; Fengzhen LI ; Zonghao WU ; Riyan ZHUGE ; Yanyun LI ; Zujie QIN
Chinese Journal of Rheumatology 2024;28(6):386-391
		                        		
		                        			
		                        			Objective:To explore the gene microarray of patients with ankylosing spondylitis in GEO database by using various bioinformatics methods, and to explore the possible targets and mechanisms of action.Methods:The GEO database was searched with "ankylosing spondylitis" the keyword, and the expression profile of genes related to AS was selected as the research object. Standard difference analysis, weighted co-expression analysis and gene set enrichment analysis were conducted to construct the disease set. GO and KEGG enrichment analysis were performed on the disease sets. The NCC algorithm identifies the first five key genes. THP-1 cells were implanted into RPMI-1640 culture medium containing 10% fetal bovine serum to multiply and construct the cell model of AS in vitro. The expression levels of 5 key genes were detected by qRT-PCR and Western blot. The experimental measurement data were expressed as mean± standard deviation, and the t test was used in comparison between the two groups. Results:One thousand six hundred and sixty seven disease genes were analyzed, functional annotation was mainly concentrated in 689 molecular components of cytoplasmic ribosomes, ribosomal subunits, ribosomes, cytoplasmic large ribosomal subunits, the structural composition of ribosomal REDOX enzyme activity, 1 002 molecular functions of NADH dehydrogenase activity, NADH dehydrogenase activity, and 5 764 molecular processes of mRNA catabolism and RNA catabolism The physical process involved 1 002 signaling pathways involved in Alzheimer′s disease, Prion disease, Parkinson′s disease, and the first 5 key genes were identified as RPS11, RPL4, RPL37A, RPS23, and RPS9. The experimental results were obtained by t test. The results showed that TNF-α mRNA ( t=5.59, P=0.001) and protein ( t=20.14, P<0.001) were significantly increased, indicating that LPS had induced inflammatory response in THP-1 cells, while RPL37AmRNA ( t=5.87, P=0.001), RPS11 mRNA ( t=3.88, P=0.008), RPS23 mRNA ( t=2.64, P=0.038), RPL37A protein ( t=3.18, P=0.030), RPS11 protein ( t=11.26, P<0.001), RPS23 protein ( t=5.64, P<0.001), increased, while RPS9 mRNA ( t=3.16, P=0.020), RPL4 mRNA ( t=2.54, P=0.044), RPS9 protein ( t=5.85, P<0.001) and RPL4 ( t=2.93, P=0.040) protein expressions decreased. RPL23 stimulated the joint synovial tissue to produce effect-T lymphocytes and release a large number of IL-2 and other inflammatory cytokines. RPS9 acts on the early stages of ribosomogenesis, and knocking down RPS9 reduced overall protein synthesis. RPL4 interacted with TTC22 protein to enhance the binding of WTAP mRNA to RPL4, which was associated with immune diseases. The nucleoprotein OGFOD1 catalyzed the hydroxylation of RPS23 and participated in the inflammatory process. The chromosome conformation confirmed the single nucleotide polymorphism function of IL23R genomic locus in AS disease. Conclusion:Ribosomal protein may be an important target for exploring the mechanism of AS inflammation.
		                        		
		                        		
		                        		
		                        	
4.Prognostic value of regulatory T cells in children with adenoidal hypertrophy complicated with allergic rhinitis after treatment
Liping ZHU ; Binghuan SHAO ; Xueting WU ; Xiaoye TAN
International Journal of Laboratory Medicine 2024;45(18):2218-2222
		                        		
		                        			
		                        			Objective To investigate the relationship between regulatory T(Treg)cells and recurrence after treatment with mometasone furoate in children with adenoid hypertrophy complicated with allergic rhinitis.Methods A total of 104 children with adenoid hyperplasia complicated with allergic rhinitis admitted to Chan-gzhou Maternal and Child Health Care Hospital from January 2021 to January 2023 were selected as the study subjects.All the children were treated with mometasone furoate for 1 month.According to whether the drug relapsed after 3 months,the patients were divided into recurrence group and the non-recurrence group.The pe-ripheral blood Treg cells,intracellular cytokine interleukin-10(IL-10),transforming growth factor β1(TGF-β1),IgE,IgG4 levels,and eosinophilic count(EOS)were measured in both groups before and after treatment.The adenoid/nasopharynx(A/N)value and symptom scores of allergic rhinitis were measured 3 months after drug withdrawal in the two groups.Pearson analysis was used to evaluate the correlation between Treg cells and A/N value and symptom scores.The effectiveness of Treg cells,IL-10,TGF-β1,IgE,IgG4,and EOS in predicting the recurrence was evaluated by receiver operating characteristic(ROC)curve.Results The recur-rence rate of 104 children with adenoid hypertrophy complicated with allergic rhinitis was 41.35%(43/104).After treatment,Treg cells,IL-10,TGF-β1 and IgG4 in the recurrent group were lower than those in the non-recurrent group,while IgE,EOS,A/N value and symptom score were higher than those in the non-recurrent group,with statistical significance(P<0.05).Pearson analysis showed that Treg cells were negatively corre-lated with A/N value(r=-0.470,P<0.001)and rhinitis symptom scores(r=-0.872,P<0.001).The accuracy,sensitivity and specificity of Treg cells in predicting the prognosis were 94.6%,95.1%and 93.0%respectively.Conclusion Treg cells are effective in predicting the prognosis of children with adenoid hypertro-phy complicated with allergic rhinitis.
		                        		
		                        		
		                        		
		                        	
5.Association of neurological function,nutritional status,and exercise capacity scale scores with risk of stroke-related pneumonia
Xiang ZHU ; Xiong LIAO ; Xueting LIN ; Lei WU
Chinese Journal of Nervous and Mental Diseases 2023;49(12):705-711
		                        		
		                        			
		                        			Objective To analyze the scores of National Institutes of Health stroke scale(NIHSS),geriatric nutritional risk index(GNRI),motor function in dependence measure(MFIM)and the risk of stroke-related pneumonia(SAP).Methods Patients with stroke admitted from November,2021 to May,2022 were included.The scores of NIHSS,GNRI and MFIM at admission were collected,and they were divided into non-SAP group(n=232)and SAP group(n=86)according to whether pneumonia occurred within one week after stroke.According to the receiver operating characteristic(ROC)curve,the predictive ability of each score to SAP was evaluated,and each score was grouped according to the best cut-off point.logistic regression model and restricted cubic spline were used to analyze the relationship between each score and SAP.Results A total of 318 stroke patients were enrolled in the study including 86 in SAP group and 232 in non-SAP group.Logistic regression shows that,levels of NIHSS score(OR=32.783,95%CI:16.366~65.671,P<0.001),MFIM score(OR=0.052,95%CI:0.027~0.100,P<0.001)and GNRI score(OR=0.262,95%CI:0.144~0.476,P<0.001)were associated with SAP.Restricted cubic spline analysis shows that,there was a nonlinear dose-response relationship between SAP risk and NIHSS score(P-general trend<0.001,P-nonlinear=0.002),GNRI score(P-general trend<0.001,P-nonlinear<0.001).Conclusion NIHSS,MFIM,and GNRI scores are associated with the risk of SAP in stroke patients,and some of them have nonlinear relationships.
		                        		
		                        		
		                        		
		                        	
6.Screening for high-risk individuals of chronic obstructive pulmonary disease and risk factor analysis in Haicang district of Xiamen
Xueting SHEN ; Hua YANG ; Chengdian LAN ; Fen TANG ; Qinfei LIN ; Yingjie CHEN ; Jinxiang WU ; Xionghua CHEN ; Zhigang PAN
Chinese Journal of General Practitioners 2023;22(12):1269-1275
		                        		
		                        			
		                        			Objective:To screen high-risk population of chronic obstructive pulmonary disease (COPD) and to analyze the risk factors in Haicang District of Xiamen City.Methods:A questionnaire survey was conducted from February 2023 to May 2023 among residents who visited or underwent physical examinations at five community health service centers in Haicang District of Xiamen City selected by cluster sampling method. The self-designed general information questionnaire, COPD population screening questionnaire (COPD-PS) and COPD screening questionnaires (COPD-SQ) were applied in the survey. Individuals with COPD-PS scale>5 or COPD-SQ scale>16 were defined as COPD high-risk group. The association of COPD risk with gender, age, smoking, family history of COPD, history of tuberculosis, history of COVID-19 infection, and using coal/woodstove for cooking or heating was analyzed with chi-square test and binary logistic regression analysis.Results:A total of 4 260 questionnaires were distributed and 4 221 valid questionnaires were collected with a recovery rate of 99.6%. Among all respondents there were 1 904 males (45.11%) and 2 317 females (54.89%); and 217 individuals aged 40-<50 (5.14%), 434 aged 50-<60 (10.28%), 2 194 aged 60-<70 (51.98%), 1 302 aged 70-<80 (30.85%) and 74 aged≥80 (1.76%). The results showed that there were 269 respondents (6.4%) scored≥5 on the COPD-PS scale, 534 residents (12.7%) scored≥16 on the COPD-SQ scale, 646 (15.3%) scored≥5 on the COPD-PS scale or≥16 on the COPD-SQ scale. Male gender ( OR=2.592, 95% CI:2.135-3.146), second-hand smoke exposure ( OR=3.763, 95% CI:2.944-4.810), frequently catching cold before the age of 14 ( OR=3.804, 95% CI:2.927-4.944), history of tuberculosis ( OR=2.575, 95% CI:1.224-5.418), hypertension ( OR=1.547, 95% CI:1.277-1.875), and diabetes ( OR=1.791, 95% CI:1.027-3.121) were independently associated with the high-risk of COPD, while the history of COVID-19 ( OR=0.583, 95% CI:0.476-0.714) was a protective factor for COPD risk. Conclusion:Males, exposure to second-hand smoke, frequently catching cold before the age of 14, history of tuberculosis, hypertension, and diabetes will increase the risk of COPD, while the history of COVID-19 is a protective factor.
		                        		
		                        		
		                        		
		                        	
7.Exploration of the talent training mode of biology majors driven by high-quality employments in higher education--a case study of Huzhou University.
Zhanqi WANG ; Xiaoyin WU ; Xueting ZHONG ; Hua HUANG ; Xiaomei WANG ; Zhaoyang TANG ; Jie YANG ; Liqin ZHANG
Chinese Journal of Biotechnology 2022;38(12):4827-4837
		                        		
		                        			
		                        			In recent years, driven by the support of national policies and societal needs for employments, talents in biology majors have been growing rapidly. To foster high-calibre biology talents for the society in the context of the "double world-class initiative" in higher education, this study analyzed the opinion of biology undergraduates in Huzhou University on employment and their professional recognition of biology majors. The aim of this study was to propose a high-quality employments-driven talent training mode for undergraduates in biology majors, so as to serve as a reference for the reform in training modes of other relevant majors.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Universities
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		                        			Students
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		                        			Biology/education*
		                        			
		                        		
		                        	
8.Quality evaluation of registration data of Shenzhen Type 1 Diabetes Alliance: based on the collaborative research platform network of China Type 1 Diabetes Alliance
Xueting LIU ; Haiyan LI ; Lingbo LYU ; Mingzheng LI ; Yan HUANG ; Shu LI ; Hongmei WU ; Qin ZHANG ; Chuanqi CHEN ; Liao SUN ; Zhiguang ZHOU ; Xia LI ; Dewen YAN
Journal of Chinese Physician 2022;24(7):1060-1066
		                        		
		                        			
		                        			Objective:To evaluate the data quality of Shenzhen Type 1 Diabetes Alliance (SZT1D), and to provide a basis for evaluation and improvement for the continuous improvement of data quality.Methods:From December 2018 to July 2021, 697 first-visit type 1 diabetes (T1DM) patients (including 501 in Shenzhen and 196 out-of-Shenzhen) and 120 re-visited T1DM patients (including 113 in Shenzhen and 7 out-of-Shenzhen) who were registered by SZT1D in collaborative research platform network of China Type 1 Diabetes Alliance (hereinafter referred to as China T1D). The data quality was evaluated from three dimensions: data completion, accuracy and revisit. The data completion degree was evaluated by the overall data completion degree and the key indicator completion degree; the data accuracy was evaluated by the probability of abnormal blood glucose value; the patient′s return visit was evaluated by the return visit rate.Results:The main characteristics of T1DM in SZT1D were young and middle-aged adults [age: (34.4±17.1)years] with thin body [BMI: (19.80±3.52)kg/m 2)], half of male and female patients [proportion of male: 52.4%(365/697)]; the main types of diagnosis were classical T1DM [65.22%(150/230)] and latent autoimmune diabetes in adults(LADA) [26.08%(60/230)], and the fasting blood glucose (FPG) [(10.93±6.98)mmol/L] and glycosylated hemoglobin (HbA 1c) [(10.63±3.01)%] were high. The average completion rate of the overall data of the first diagnosed patients in SZT1D was only 60% [(62.9±31.5)%]: the number of patients with overall data completion ≥80% in SZT1D was only 50.2%(350/697); the number of patients with overall data completion ≥80% in Shenzhen was less than that outside Shenzhen [44.3%(222/501) vs 65.3%(128/196), P<0.001]. The key indicators with better completion rate of first-visit were disease course [76.2%(531/697)], age of onset [75.8%(528/697)], family history of diabetes [74.9%(522/697)], etc., but none of them had a completion rate of more than 80%, and the diabetes self-management behavior assessment questionnaire and scale score were completely missing; the frequency of daily blood glucose monitoring [46.1%(231/501) vs 64.3%(126/196), P<0.001], current insulin regimen [44.3%(222/501) vs 63.3%(124/196), P<0.001], number of diabetic ketoacidosis (DKA) since the onset of the disease [45.7%(229/501) vs 64.8%(127/196), P<0.001] and the number of symptomatic hypoglycemia in the past 1 month [39.3%(197/501) vs 63.8%(125/196), P<0.001] were higher in Shenzhen than those reported outside Shenzhen. In addition, the probability of abnormal FPG and postprandial glucose (PPG) [5.2%(24/466); 3.8%(19/236)] were low. The revisit rate was not high [17.2%(120/697)], and the revisit rate in Shenzhen was higher than that outside Shenzhen [22.6%(113/501) vs 3.6%(7/196), P<0.001]. The first revisit rate was 16.2%(113/697) and the second revisit rate was seriously insufficient [1.0%(7/697)]. Conclusions:The data quality of T1DM patients recorded by SZT1D needs to be further improved. Improving the information interconnection between China-T1D and SZT1D, employing quality control personnel and building a systematic data quality evaluation analysis and feedback mechanism are methods to promote the comprehensive, accurate and efficient input of T1DM data and continuously improve the evaluation methods to improve the overall data quality.
		                        		
		                        		
		                        		
		                        	
9.Correlation between socioeconomic status and diabetic kidney disease
Caifeng SHI ; Aiqin HE ; Xiaomei WU ; Jin LIU ; Yuting SHENG ; Xueting ZHU ; Junwei YANG ; Yang ZHOU
Clinical Medicine of China 2022;38(3):228-236
		                        		
		                        			
		                        			Objective:To explore the correlation between socioeconomic status (SES) and diabetic kidney disease (DKD) in patients with type 2 diabetes (T2D).Methods:A total of 276 T2D patients admitted to the Second Affiliated Hospital of Nanjing Medical University from January to June 2020 were enrolled in this cross-sectional study. The estimated glomerular filtration rate (eGFR) was calculated according to the urinary albumin/creatinine ratio (UACR) and the chronic kidney disease epidemiology collaboration equation(CKD-EPI formula) based on serum creatinine. The patients were divided into simple T2D group (184 cases) and DKD group (92 cases). Collect demographic and laboratory examination data, record education, income and occupation, and calculate standardized SES scores. According to SES scores, subjects were divided in three levels: SES≤9, SES≥10-≤12, and SES≥13. Student's t test was used for comparison of measurement data with normal distribution between two groups, and one-way ANOVA was used for comparison between multiple groups. Non-normal distribution was represented by M( Q1, Q3), and rank-sum test was used for comparison between groups. Counting data were expressed as frequency or percentage, and chi-square test was used for comparison between groups. Bofferoni test was further used for pairwise comparison of indicators with statistical significance among multiple groups. Spearman correlation analysis was used to analyze the correlation between variables. The risk factors were analyzed by binary Logistic regression. Results:The age of the subjects was (53.37±10.68) years, men accounted for 55.8% (154/276), the duration of diabetes was 60.00 (12.00, 134.00) months, and eGFR was (97.56±21.15) mL/(min·1.73 m 2). In simple T2D group and DKD group, prevalence of hypertension were 39.7% (73/184) and 57.6% (53/92), systolic blood pressure were (129.43±14.92) mmHg and (139.29±17.61) mmHg, diastolic blood pressure were (81.86±10.06) mmHg and (87.74±11.19) mmHg, serum albumin were (45.74±4.15) g/L and (43.99±5.05) g/L, triglycerides were (1.82±1.24) mmol/L and (2.64±2.92) mmol/L, high density lipoprotein cholesterol were (1.17±0.37) mmol/L and (1.07±0.26) mmol/L, serum uric acid were (298.44±90.73) μmol/L and (336.22±94.01) μmol/L, serum creatinine were (62.83±14.45) μmol/L and (87.75±57.37) μmol/L, eGFR were (102.6±14.28) mL/(min·1.73 m 2) and (87.47±28.04) mL/(min·1.73 m 2), UACR were (7.60 (4.63, 13.15)) mg/g and (93.95 (47.25, 310.25)) mg/g. Prevalence of hypertension, systolic blood pressure, diastolic blood pressure, triglycerides, serum uric acid, serum creatinine, UACR in DKD group were higher than those in simple T2D group. Serum albumin, high density lipoprotein cholesterol and eGFR in DKD group were lower than those in simple T2D group. There was significant difference between the two groups ( χ2=7.95, t values were 4.87, 4.40, 3.04, 3.26, 2.30, 3.22, 5.56, 5.95, Z=13.07, P values were 0.005, <0.001, <0.001, 0.003, 0.001, 0.022, 0.001, <0.001, <0.001, and <0.001, respectively). The number of males in the three groups with SES ≥13 group, SES≥10-≤12 group, SES ≤9 group were 61 (81.3%, 61/75), 55 (59.8%, 55/92), 38 (34.9%, 38/109), respectively. The number of cases with smoking history were 42 (56.0%, 42/75), 41 (44.6%, 41/92), 35 (32.1%, 35/109), respectively. The number of cases with drinking history were 38 (50.7%, 38/75), 32 (34.8%, 32/92), 26 (23.9%, 26/109), respectively. The ages were (47.77±10.76), (52.76±11.22), (57.74±7.96) years old, respectively. Body mass index (BMI) were (26.17±3.87), (24.96±3.93), (24.27±4.89) kg/m 2, respectively. High density lipoprotein cholesterol (HDL) were (1.03±1.03), (1.16±0.41), (1.21±0.32) mmol/L, respectively. Serum uric acid were (336.56±82.05), (293.78±94.78), (307.99±96.53) μmol/L, respectively. EGFR were (105.03±19.72), (99.77±19.44), (90.57±21.49) mL/(min·1.73 m 2),respectively.The difference between groups were statistically significant (χ 2=39.79, 10.55, 14.08, F=22.69, 4.03, 6.20, 4.53, 12.02, P values were <0.001, 0.005, 0.001, <0.001, 0.019, 0.002, 0.012, and <0.001, respectively). Pairwise comparison shows that male and eGFR in SES ≤9 group were lower than those in SES ≥13 group and SES≥10-≤12 group, age in SES ≤9 group was higher than that in SES ≥13 group and SES≥10-≤12 group. The difference was statistically significant (all P<0.05). Smoking history, alcohol history and BMI in SES ≤9 group were lower than those in SES ≥13 group, and the high density lipoprotein cholesterol in SES ≤9 were higher than that in SES ≥13 group. The difference was statistically significant (all P<0.05). Male, alcohol history and serum uric acid in SES≥10-≤12 group were lower than those in SES ≥13 group, and age and high density lipoprotein cholesterol in SES≥10-≤12 group were higher than those in SES ≥13 group. The difference was statistically significant (all P<0.05). Spearman correlation analysis showed that SES in T2D was positively correlated with male, smoking history, alcohol history, BMI, serum uric acid and eGFR ( r values were 0.38, 0.20, 0.24, 0.16, 0.13 and 0.31, P values were <0.001, 0.001, <0.001, 0.008, 0.028, and <0.001, respectively), and negatively correlated with age, high density lipoprotein cholesterol and UACR ( r values were -0.35, -0.24 and -0.14, P values were <0.001, <0.001, and 0.017, respectively). Logistic regression analysis showed that SES (OR=2.71,95% CI:1.10-6.68, P=0.031) was associated with T2DM combined with DKD. The risk of developing DKD increased when the SES was ≤9. Conclusion:The SES in patients with type 2 diabetes is closely related to DKD. Low SES may be a new risk factor for DKD in type 2 diabetic patients.
		                        		
		                        		
		                        		
		                        	
10.Cost-effectiveness analysis of the oral health promotion model in rural primary schools in Guangxi Zhuang Autonomous Region
WU Zhijing ; HE Haoyu ; YU Xueting ; MA Fei ; LIU Qiulin ; ZENG Xiaojuan
Journal of Prevention and Treatment for Stomatological Diseases 2022;30(5):355-360
		                        		
		                        			Objective:
		                        			To evaluate the caries preventive effect and economic outcome of an oral health promotion model in rural primary schools in Guangxi Zhuang Autonomous Region.
		                        		
		                        			Methods:
		                        			 In November 2015, a baseline survey was conducted on the caries prevalence of rural first graders in program areas, and then a program intervention was carried out on the first graders of target primary schools. The intervention methods included the distribution of oral health care products, oral health education, teacher training, etc. In 2020, the method of cluster random sampling was adopted to include the sixth graders who received the program intervention as first graders and were still available in 2020 as the intervention group. During this period, the sixth graders transferred from foreign schools who failed to receive the program intervention as first graders were included in the non-intervention group. The caries preventive effect was evaluated by analyzing the caries epidemiological data of 2 652 children aged 11-13 years, comparing the intervention and non-intervention group. The cost of the program was estimated by the structural analysis method. A decision tree model was established by TreeAge pro2019 and incorporated into the effect parameters and cost parameters for cost-effectiveness analysis and sensitivity analysis.
		                        		
		                        			 Results :
		                        			 The prevalence of caries in the intervention group was 54.8%, and the mean DMFT was 1.36 ± 1.64, both of which were lower than those in the non-intervention group. The difference in prevalence and mean DMFT between the two groups was statistically significant (P < 0.05). It costs CNY 319.83 per child to reduce suffering from caries. The number of patients with caries in the intervention group was the most sensitive indicator of an economic effect. The probability of a cost-effectiveness advantage for the program was 92.2%. 
		                        		
		                        			Conclusion 
		                        			 This oral health promotion model used in rural schools demonstrated a caries preventive effect that was very likely economically advantageous. It is of practical significance to improve and promote this model in the Guangxi Zhuang Autonomous Region.
		                        		
		                        		
		                        		
		                        	
            

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