1.Application effects of calorie-restricted diet combined with high-protein, high-dietary fiber meal replacement powder and probiotics in overweight/obese adults
Jin ZHOU ; Jin TIAN ; Xiaojing YAN ; Chengqian LU ; Jing WANG ; Wei YAN ; Li YANG ; Jie YIN ; Baoling HU ; Xiaoman FENG ; Yanhui ZHANG ; Li TAO ; Zengning LI
Chinese Journal of Health Management 2025;19(4):264-272
Objective:To assess the application effects of an energy-restricted diet combined with high-protein, high-dietary-fiber meal replacement powder and probiotics in overweight/obese adults.Methods:It was a randomized controlled trial. A consecutive sample of 150 overweight/obese adults who underwent physical examinations at the Health Care Center of the First Hospital of Hebei Medical University between November 2021 and March 2022. The participants were randomly assigned into the combined group, the high-protein group, and the common group (50 participants per group) using a random number table method. All three groups of subjects received weight loss health education, energy-restricted diet, and interventions with meal replacement powder and probiotics (or probiotic placebo). The combined group was given high-protein and high-dietary fiber meal replacement powder and probiotics. The high-protein group was given high-protein meal replacement powder and probiotic placebo. The common group was given ordinary meal replacement powder and probiotic placebo. The meal replacement powder was packaged in 35 g per bag, with main components of varying amounts of protein, fat, carbohydrates, vitamins, and trace elements. Both the probiotic powder and the probiotic placebo came in 2 g sachets. The primary components of probiotic powder were various Bifidobacterium, Lactobacillus and excipients, while the main component of probiotic placebo was excipients. The meal replacement powder and the probiotic powder or probiotic placebo were taken twice a day for a total of 12 weeks, one sachet of each time, followed by a 4-week follow-up. The body weight, body mass index, body fat mass, abdominal circumference and hip circumference were measured before the trial (week 0) and at the end of weeks 2, 4, 8, 12, and 16. The change rates of each indicator were calculated. Biochemical indicators, trace elements, and 25-hydroxyvitamin D levels were measured at the end of week 0, 4, 8, and 12. A product evaluation questionnaire was conducted at the end of week 12. A total of 19 cases dropped out due to various reasons. Finally, 46 cases in the combined group, 42 cases in the high-protein group, and 43 cases in the common group were included in the analysis. Paired-samples t test, Kruskal-Wallis H test, one-way analysis of variance, and Mann-Whitney U test were used to compare the differences in weight-loss and maintenance effects, safety and patient acceptance among the three intervention groups, and to analyze the application effect of the energy-restricted diet combined with high-protein and high-dietary fiber meal replacement powder plus probiotics in overweight/obese adults. Results:Among the 131 overweight/obese adults included in the analysis, there were 57 males and 74 females, with a mean age of (37.30±8.33) years. By the end of the week 12, the body mass index [26.87(25.77, 30.38) vs 29.61(27.96, 33.09) kg/m2; 27.10(24.70, 31.37) vs 29.40(27.20, 34.17) kg/m2; 27.98(26.43, 30.12) vs 29.88(28.22, 31.93) kg/m2] and body fat masses [22.15(17.70, 30.15) vs 30.75(25.63, 35.40) kg; 23.35(19.12, 28.70) vs 29.45(26.20, 37.05) kg; 26.80(24.10, 31.60) vs 30.00(26.00, 34.70) kg] in the combined group, the high-protein group and the common group were all lower than those at baseline (week 0) (all P<0.05). At the end of the week 12, the change rates of body fat mass and body mass index in the combined group were both higher than those in the high-protein group and the common group [(25.98%±9.58%) vs (23.88%±11.15%) and (9.35%±11.00%), 9.29%(7.23%, 11.58%) vs 7.96% (5.51%, 10.92%) and 5.77% (2.68%, 10.03%)] (all P<0.05). At the end of the week 12, the body fat mass in the combined group and the high-protein group were both lower than that in the common group [22.15(17.70, 30.15), 23.35(19.12, 28.70) vs 26.80(24.10, 31.60) kg] (both P<0.05). At the end of the week 12, the decreased values of uric acid and high-sensitivity C-reactive protein in the combined group were both higher than those in the high-protein group and the common group [17.15(13.02, 23.45) vs 1.50(0.22, 28.60) and 4.20(0.15, 19.95) μmol/L, 0.43(0.24, 0.60) vs 0.21(0.06, 0.43) and 0.28(-0.04, 0.88) mg/L](both P<0.05). No serious adverse events were observed during the intervention period and at the end of the intervention. In the product evaluation questionnaire, the combined group scored higher than the high-protein group and the common group on items such as usage frequency, taste, satiety, willingness to continue use, willingness to recommend to others, and willingness to purchase [4(3, 4) vs 3(3, 4) and 3(2, 4) points, 4(3, 4) vs 3(3, 4) and 3(2, 4) points, 4(3, 4) vs 3(3, 4) and 3(3, 3) points, 4(3, 4) vs 3(3, 4) and 3(3, 4) points, 4(3, 4) vs 3(3, 4) and 3(3, 3) points, 3(3, 4) vs 3(3, 4) and 3(2, 3) points] (all P<0.05). Conclusion:An energy-restricted diet combined with high-protein, high-dietary-fiber meal replacement powder and probiotics demonstrates superior weight-loss and weight-maintenance effects in overweight/obese adults, with high safety and great user acceptability.
2.Observation on Clinical Efficacy of Jia Yi Formula on Anxiety Status in Patients with Hyperthyroidism
Feng WANG ; Wanhui HE ; Baoling LI ; Wenying WANG
Journal of Guangzhou University of Traditional Chinese Medicine 2025;42(11):2713-2720
Objective To investigate the clinical efficacy of Jia Yi Formula(composed of Trionycis Carapax,Ranunculi Ternati Radix,Pinelliae Rhizoma Praeparatum,Trichosanthis Pericarpium,Poria,Curcumae Radix,Fritillariae Thunbergii Bulbus,and Albiziae Cortex)in improving anxiety symptoms of patients with hyperthyroidism(HT).Methods A total of 84 HT patients with yin deficiency with internal heat and phlegm blended with stasis syndrome accompanied by anxiety were enrolled from the Endocrinology Outpatient and Inpatient Departments of The Affiliated Guangzhou Traditional Chinese Medicine Hospital of Guangzhou University of Chinese Medicine between February and December of 2024.Patients were randomly divided into treatment group and control group(n=42 each)using a random number table.Both groups received conventional therapy,while the control group additionally received oral methimazole,and the treatment group received Jia Yi Formula and methimazole.The treatment duration was 12 weeks for both groups.Changes in Hamilton Anxiety Scale(HAMA)scores,traditional Chinese medicine(TCM)syndrome scores,and serum thyroid hormone levels[free triiodothyronine(FT3),free thyroxine(FT4),and thyroid-stimulating hormone(TSH)]were observed.The improvement in anxiety status,TCM syndrome efficacy,and drug safety were evaluated.Results(1)In terms of TCM syndrome improvement,the total effective rate was 92.86%(39/42)in the treatment group versus 71.43%(30/42)in the control group.Intergroup comparison(by Mann-Whitney U test)showed that the TCM syndrome improvement in the treatment group was superior to the control group(P<0.05).(2)For anxiety improvement,the total effective rate was 83.33%(38/42)in the treatment group versus 69.05%(29/42)in the control group.Intergroup comparison(by Mann-Whitney U test)showed that the anxiety improvement in the treatment group was superior to the control group(P<0.01).(3)After treatment,both groups showed significant reductions in HAMA scores and TCM syndrome scores(P<0.01),with greater reductions observed in the treatment group(P<0.01).(4)Thyroid hormone levels(FT3,FT4,TSH)were significantly improved in both groups(P<0.01),with FT3 and TSH showing greater improvement in the treatment group(P<0.05 or P<0.01),while FT4 improvement did not differ significantly between groups(P>0.05).(5)The incidence of adverse reactions was 4.76%(2/42)in the treatment group and 7.14%(3/42)in the control group.Intergroup comparison(by Fisher's exact test)showed that the difference was not statistically significant(P>0.05).Conclusion Jia Yi Formula demonstrates significant efficacy in improving anxiety,clinical symptoms,and thyroid function in HT patients with yin deficiency with internal heat and phlegm blended with stasis syndrome,showing superior benefits when used together with methimazole compared to methimazole alone.
3.Application effects of calorie-restricted diet combined with high-protein, high-dietary fiber meal replacement powder and probiotics in overweight/obese adults
Jin ZHOU ; Jin TIAN ; Xiaojing YAN ; Chengqian LU ; Jing WANG ; Wei YAN ; Li YANG ; Jie YIN ; Baoling HU ; Xiaoman FENG ; Yanhui ZHANG ; Li TAO ; Zengning LI
Chinese Journal of Health Management 2025;19(4):264-272
Objective:To assess the application effects of an energy-restricted diet combined with high-protein, high-dietary-fiber meal replacement powder and probiotics in overweight/obese adults.Methods:It was a randomized controlled trial. A consecutive sample of 150 overweight/obese adults who underwent physical examinations at the Health Care Center of the First Hospital of Hebei Medical University between November 2021 and March 2022. The participants were randomly assigned into the combined group, the high-protein group, and the common group (50 participants per group) using a random number table method. All three groups of subjects received weight loss health education, energy-restricted diet, and interventions with meal replacement powder and probiotics (or probiotic placebo). The combined group was given high-protein and high-dietary fiber meal replacement powder and probiotics. The high-protein group was given high-protein meal replacement powder and probiotic placebo. The common group was given ordinary meal replacement powder and probiotic placebo. The meal replacement powder was packaged in 35 g per bag, with main components of varying amounts of protein, fat, carbohydrates, vitamins, and trace elements. Both the probiotic powder and the probiotic placebo came in 2 g sachets. The primary components of probiotic powder were various Bifidobacterium, Lactobacillus and excipients, while the main component of probiotic placebo was excipients. The meal replacement powder and the probiotic powder or probiotic placebo were taken twice a day for a total of 12 weeks, one sachet of each time, followed by a 4-week follow-up. The body weight, body mass index, body fat mass, abdominal circumference and hip circumference were measured before the trial (week 0) and at the end of weeks 2, 4, 8, 12, and 16. The change rates of each indicator were calculated. Biochemical indicators, trace elements, and 25-hydroxyvitamin D levels were measured at the end of week 0, 4, 8, and 12. A product evaluation questionnaire was conducted at the end of week 12. A total of 19 cases dropped out due to various reasons. Finally, 46 cases in the combined group, 42 cases in the high-protein group, and 43 cases in the common group were included in the analysis. Paired-samples t test, Kruskal-Wallis H test, one-way analysis of variance, and Mann-Whitney U test were used to compare the differences in weight-loss and maintenance effects, safety and patient acceptance among the three intervention groups, and to analyze the application effect of the energy-restricted diet combined with high-protein and high-dietary fiber meal replacement powder plus probiotics in overweight/obese adults. Results:Among the 131 overweight/obese adults included in the analysis, there were 57 males and 74 females, with a mean age of (37.30±8.33) years. By the end of the week 12, the body mass index [26.87(25.77, 30.38) vs 29.61(27.96, 33.09) kg/m2; 27.10(24.70, 31.37) vs 29.40(27.20, 34.17) kg/m2; 27.98(26.43, 30.12) vs 29.88(28.22, 31.93) kg/m2] and body fat masses [22.15(17.70, 30.15) vs 30.75(25.63, 35.40) kg; 23.35(19.12, 28.70) vs 29.45(26.20, 37.05) kg; 26.80(24.10, 31.60) vs 30.00(26.00, 34.70) kg] in the combined group, the high-protein group and the common group were all lower than those at baseline (week 0) (all P<0.05). At the end of the week 12, the change rates of body fat mass and body mass index in the combined group were both higher than those in the high-protein group and the common group [(25.98%±9.58%) vs (23.88%±11.15%) and (9.35%±11.00%), 9.29%(7.23%, 11.58%) vs 7.96% (5.51%, 10.92%) and 5.77% (2.68%, 10.03%)] (all P<0.05). At the end of the week 12, the body fat mass in the combined group and the high-protein group were both lower than that in the common group [22.15(17.70, 30.15), 23.35(19.12, 28.70) vs 26.80(24.10, 31.60) kg] (both P<0.05). At the end of the week 12, the decreased values of uric acid and high-sensitivity C-reactive protein in the combined group were both higher than those in the high-protein group and the common group [17.15(13.02, 23.45) vs 1.50(0.22, 28.60) and 4.20(0.15, 19.95) μmol/L, 0.43(0.24, 0.60) vs 0.21(0.06, 0.43) and 0.28(-0.04, 0.88) mg/L](both P<0.05). No serious adverse events were observed during the intervention period and at the end of the intervention. In the product evaluation questionnaire, the combined group scored higher than the high-protein group and the common group on items such as usage frequency, taste, satiety, willingness to continue use, willingness to recommend to others, and willingness to purchase [4(3, 4) vs 3(3, 4) and 3(2, 4) points, 4(3, 4) vs 3(3, 4) and 3(2, 4) points, 4(3, 4) vs 3(3, 4) and 3(3, 3) points, 4(3, 4) vs 3(3, 4) and 3(3, 4) points, 4(3, 4) vs 3(3, 4) and 3(3, 3) points, 3(3, 4) vs 3(3, 4) and 3(2, 3) points] (all P<0.05). Conclusion:An energy-restricted diet combined with high-protein, high-dietary-fiber meal replacement powder and probiotics demonstrates superior weight-loss and weight-maintenance effects in overweight/obese adults, with high safety and great user acceptability.
4.Expression and localization of fever with thrombocytopenia syndrome virus nonstructural protein and screening and analysis of host-interacting proteins
Like LUO ; Ziwen CHENG ; Kuo CHENG ; Yonggang LI ; Dawei WANG ; Baoling YANG
Journal of Jilin University(Medicine Edition) 2024;50(5):1286-1296
Objective:To screen the host interaction proteins of the severe fever with thrombocytopenia syndrome virus(SFTSV)nonstructural protein(NSs)by immunoprecipitation combined with mass spectrometry analysis,to discuss the functions,subcellular localization,and biological pathways of these interaction proteins,and to provide the basis for clarifying the replication and pathogenic mechanism of SFTSV.Methods:The eukaryotic expression vectors pSFTSV-NSs-Flag(experimental group)and Flag-CMV-3(negative group)were transfected into the human embryonic kidney 293T cells,and contorl group(no treatment)was set up.The lysates of the cells in various groups were collected,and the expression and localization of SFTSV NSs in the host cells were verified by indirect immunofluorescence and Western blotting methods.The protein lysates were treated with protein A/G and immunoprecipitation was used to enrich host proteins binding to NSs.The captured interaction proteins were initially analyzed by silver staining and Coomassie brilliant blue staining to observe the differential protein bands in various groups;liquid chromatography-tandem mass spectrometry was used to obtain the information of protein sequences;the reliable proteins were retained and searched by UniProt database;Gene Ontology(GO)functional enrichment analysis,IPR,eukaryotic orthologous groups(KOGs)functional annotation,Kyoto Encyclopedia of Genes and Genomes(KEGG)signaling pathway enrichment analysis,subcellular localization,and transcription factor(TF)functional annotation were used to determine the subcellular structure,gene functions,and biological processes of the interaction proteins.Results:The immunofluorescence results showed that the SFTSV NSs expressed a single specific band at relative molecular mass 33 000 and was localized in the cytoplasm in a granular inclusion body-like manner.The silver staining and Coomassie brilliant blue staining results showed there were significant differential protein bands between experimental group and negative group.The mass spectrometry results identified 46 potential interaction proteins.The GO functional enrichment analysis,KOGs functional annotation,and KEGG signaling pathway enrichment analysis results showed that the biological pathways related to viral translation,cellular metabolism,and protein transport were enriched with a considerable number of proteins.Eight annotated proteins had intermediate filament domains.The highest percentage of subcellular localization was cytoplasmic proteins,consistent with the NSs localization site.The TF functional annotation analysis results showed one protein from the NF-Y family.Conclusion:The interaction proteins play roles in assisting the proper protein folding,participating in the cribosome translation,and forming the cytoskeleton,which may be involved in antiviral replication.These proteins can be used as candidate proteins for further study on the replication mechanism of SFTSV.
5.Pregnancy management in patients with chronic kidney disease
Yangpu LI ; Manxia HUANG ; Baoling LAI ; Youjia ZENG
Journal of Chinese Physician 2024;26(11):1618-1622
As the incidence of chronic kidney disease (CKD) increases year by year, the number of patients with CKD is increasing year by year before or during pregnancy. Pregnancy management is increasingly important for patients with kidney disease, and women with CKD face a number of challenges during pregnancy, such as the risk of kidney disease progression, fetal growth restriction, the potential teratogenicity of medications, and an increased risk of complications such as preeclampsia and preterm birth. In order to ensure a good outcome for pregnant women and the fetus, it is necessary for multidisciplinary physicians in the department of nephrology, obstetrics, reproductive health and other departments to assess the risk of pregnancy in patients with CKD in a standardized manner, adjust medication in a timely manner, and closely monitor to detect maternal and fetal complications early, stabilize the patient′s condition, and determine the safest time for pregnancy and delivery.
6.Prognostic neurodevelopmental outcome accuracy of amplitude-integrated electroencephalogram in premature infant: a Meta-analysis
Jie WANG ; Yandong FENG ; Zhongbin TAO ; Baoling WANG ; Li ZHOU ; Ruijuan WANG ; Yun ZHAO
Chinese Pediatric Emergency Medicine 2021;28(5):410-414
Objective:To evaluate the prognostic value of amplitude-integrated electroencephalogram(aEEG) on predicting long-term neurodevelopmental outcome of preterm infants.Methods:Literatures were searched in PubMed, the Cochrane library, Web of science, Wanfang database, CNKI and CBM database from inception to August, 2020.The studies which investigated the prognostic value of aEEG on neurodevelopmental outcome of preterm infants were included.Articles screening, data extraction and quality assessment were accomplished by two investigators independently, and statistical analyses were performed by Meta-disc1.4.Results:Six studies were included with 557 cases.The Meta-analysis revealed that the pooled sensitivity was 0.81 (95% CI 0.75-0.87), specificity was 0.68 (95% CI 0.63-0.73), positive likelihood ratio was 2.32(95% CI 1.52-3.52), negative likelihood ratio was 0.27(95% CI 0.19-0.37)and the area under the curve of summary receiver operating characteristic curve was 0.79(95% CI 0.75-0.82). Burst-suppression, continuous low voltage and flat trace were regard as a index of poor neurodevelopmental prognosis. Conclusion:aEEG is a valuable tool for predicting the outcome of long-term neurodevelopment in preterm infants.
7.Diagnosis and treatment of dwarfism with prostate cancer without prostate biopsy: a case report
Baoling ZHANG ; Jiatong ZHOU ; Shuai XIA ; Tao LI ; Zhun WANG ; Ranlu LIU
Chinese Journal of Urology 2021;42(5):392-393
Prostate cancer in patients with dwarfism is rarely reported. One case was reported in this article. The patient was admitted to the hospital due to the PSA elevation for more than 4 years. Due to the dwarf disease, the patient could not accommodate the transrectal ultrasound probe, and was highly suspected of prostate cancer.The prostate needle biopsy was not performed. Combined with the medical history, PSA level, preoperative MRI and PSMA-PET/CT examination, the patient was clinically diagnosed with localized prostate cancer, and radical surgical treatment was performed.
8.Identification and functional analysis of soybean stearoyl-ACP Δ⁹ desaturase (GmSAD) gene family.
Mimi DENG ; Baoling LIU ; Zhilong WANG ; Jin'ai XUE ; Hongmei ZHANG ; Runzhi LI
Chinese Journal of Biotechnology 2020;36(4):716-731
Stearoyl-ACP Δ⁹ desaturase (SAD) catalyzes the synthesis of monounsaturated oleic acid or palmitoleic acid in plastids. SAD is the key enzyme to control the ratio of saturated fatty acids to unsaturated fatty acids in plant cells. In order to analyze the regulation mechanism of soybean oleic acid synthesis, soybean (Glycine max) GmSAD family members were genome-wide identified, and their conserved functional domains and physicochemical properties were also analyzed by bioinformatics tools. The spatiotemporal expression profile of each member of GmSADs was detected by qRT-PCR. The expression vectors of GmSAD5 were constructed. The enzyme activity and biological function of GmSAD5 were examined by Agrobacterium-mediated transient expression in Nicotiana tabacum leaves and genetic transformation of oleic acid-deficient yeast (Saccharomyces cerevisiae) mutant BY4389. Results show that the soybean genome contains five GmSAD family members, all encoding an enzyme protein with diiron center and two conservative histidine enrichment motifs (EENRHG and DEKRHE) specific to SAD enzymes. The active enzyme protein was predicted as a homodimer. Phylogenetic analysis indicated that five GmSADs were divided into two subgroups, which were closely related to AtSSI2 and AtSAD6, respectively. The expression profiles of GmSAD members were significantly different in soybean roots, stems, leaves, flowers, and seeds at different developmental stages. Among them, GmSAD5 expressed highly in the middle and late stages of developmental seeds, which coincided with the oil accumulation period. Transient expression of GmSAD5 in tobacco leaves increased the oleic acid and total oil content in leaf tissue by 5.56% and 2.73%, respectively, while stearic acid content was reduced by 2.46%. Functional complementation assay in defective yeast strain BY4389 demonstrated that overexpression of GmSAD5 was able to restore the synthesis of monounsaturated oleic acid, resulting in high oil accumulation. Taken together, soybean GmSAD5 has strong selectivity to stearic acid substrates and can efficiently catalyze the biosynthesis of monounsaturated oleic acid. It lays the foundation for the study of soybean seed oleic acid and total oil accumulation mechanism, providing an excellent target for genetic improvement of oil quality in soybean.
Fatty Acid Desaturases
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genetics
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metabolism
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Gene Expression Profiling
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Oleic Acid
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biosynthesis
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Phylogeny
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Plant Proteins
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genetics
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Seeds
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chemistry
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Soybeans
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classification
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enzymology
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genetics
9.Meta-analysis of Pitavastatin Comparison of Atorvastatin in the Treatment of Primary Hyperlipidemia in Chinese Adults
Jiayi XU ; Bo ZHANG ; Kai SUN ; Hongxiang TAI ; Xiaochen HUANG ; Sijun CHEN ; Ke WEN ; Li-Zhi ZHANG ; Baoling SONG
China Pharmacy 2018;29(1):106-111
OBJECTIVE:To systematically evaluate therapeutic efficacy and safety of pitavastatin comparison of atorvastatin in the treatment of primary hypedipemia in Chinese adults,and to provide evidence-based reference for clinic.METHODS:Retrieved from The Cochrane Library,PubMed,Chinese Journal Full-text Database,Wanfang database,and manually search Google Scholar,Baidu academic search engine,randomized controlled trials (RCTs) about pitavastatin (trial group) vs.atorvastatin (control group) in the treatment of primary hyperlipemia in Chinese adults were collected.After literature screening,data extraction,quality evaluation of included studies with modified Jadad scale,Meta-analysis of the levels of total cholesterol (TC),low density lipoprotein cholesterol (LDL-C),triglyceride (TG) and high-density lipoprotein cholesterol (HDL-C),response rate and the incidence of ADR was conducted by using Rev Man 5.3 statistical software.RESULTS:A total of 5 RCTs were included,involving 456 patients.Results of Meta-analysis showed that the decrease of TC level [MD=0.09,95%CI(0.01,0.16),P=0.03] in trial group was more better than control group,while the increase of HDL-C level [MD=0.08,95% CI (0.01,0.14),P=0.03] and the decrease of the TG level [MD=-0.13,95% CI (-0.20,-0.06),P=0.000 4] in trial group were worse than control group,with statistical significance.There was no statistical difference in the decrease of LDL-C[MD=-0.01,95% CI (-0.13,0.10),P=0.84],response rate [OR=0.75,95%CI (0.15,3.66),P=0.72] or the incidence of ADR [OR=0.68,95 % CI (0.44,1.05),P=0.08] between 2 groups.CONCLUSIONS:Pitavastatin has better therapeutic efficacy in decreasing TC,but its therapeutic efficacy in decreasing LDL-C is similar to that of atorvastatin;its therapeutic efficacy in decreasing TG and increasing HDL-C is worse than that of atorvastatin.The safety of them is equivalent.
10.Development of a model for predicting success of trial of labor after cesarean delivery at term
Baoling LAI ; Quanfu ZHANG ; Hailing YUAN ; Li CHEN ; Shixin YUAN
Journal of Chinese Physician 2018;20(2):204-207
Objective To establish a suitable model for predicting the success of trial of labor after cesarean section (TOLAC) during the pregnancy at term.Methods Data for all deliveries at term with one cesarean delivery history in Shenzhen Maternity and Child healthcare hospital during 1 January 2012 to 31 December 2014 were reviewed.Variables associated with VBAC were identified and used to build a model to predict the outcome of TOLAC with multivariable logistic regression.Godness of fit and accuracy of the model were evaluated by ROC.Results A total of 531 women met inclusion criteria and underwent TOLAC.Of the women who underwent trial of labor, 448 (84.4%) had a successful VBAC, 83 failed, and 2 (0.38%) had uterine rupture.Multivariable logistic regression analysis showed that previous cesarean section (CS) time interval, neonatal birth weight (BW) and premature rupture of membranes (PROM) were independent factors affecting TOLAC outcome, and their Odds Ratios were 2.79, 1.002 and 0.244, respectively.The Logistic regression model was expressed as follows:P =1/[1 + exp (2.4 × neonatal BW + 1.03 × previous CS time interval-1.41 × PROM-10.24)].The Hosmer-lemeshow test showed that the model fitted well (x2 =123.45, P =0.996), and the prediction accuracy of the model was 86.77%.The model performed well with an AUC of 0.794 (P =0.000).Conclusions A predictive model, which contains three variables (previous CS time interval, neonatal BW and PROM), has been developed and its prediction efficiency and accuracy are satisfactory.The larger birth weight, the longer time interval from previous CS, and the absence of PROM are more likely to be failed in TOLAC.

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