Affiliation:
1. Chongqing Health Center for Women and Children
Abstract
Abstract
Background: This study was conducted to develop and validate an individualized prediction model for spontaneous preterm birth (sPTB) in twin pregnancies.
Methods: This case-control study included 3,845 patients who gave birth at the Chongqing Maternal and Child Health Hospital from January 2017 to December 2022. Both univariable and multivariable logistic regression analyses were performed to find factors associated with sPTB. The associations were estimated using the odds ratio (OR) and the 95% confidence interval (CI). Model performance was estimated using sensitivity, specificity, accuracy, and area under the receiver operating characteristic curve (AUC).
Results: A total of 1,313 and 564 cases were included in the training and testing sets, respectively. In the training set, univariate and multivariate logistic regression analysis indicated that age ≥ 35 years (OR, 2.28; 95% CI, 1.67-3.13), pre-pregnancy underweight (OR, 2.36; 95% CI, 1.60-3.47), pre-pregnancy overweight (OR, 1.67; 95% CI, 1.09-2.56), and obesity (OR, 10.45; 95% CI, 3.91-27.87), nulliparity (OR, 0.58; 95% CI, 0.41-0.82), pre-pregnancy diabetes (OR, 5.81; 95% CI, 3.24-10.39), pre-pregnancy hypertension (OR, 2.79; 95% CI, 1.44-5.41), and cervical incompetence (OR, 5.12; 95% CI, 3.08-8.48) are independent risk factors for sPTB in twin pregnancies. The AUC of the training and validation set was 0.71 (95% CI, 0.68-0.74) and 0.68 (95% CI, 0.64-0.73), respectively. And then we integrated those risk factors to construct the nomogram.
Conclusions: The nomogram developed for predicting the risk of sPTB in pregnant women with twins demonstrated good performance. The prediction nomogram serves as a practical tool by including all necessary predictors that are readily accessible to practitioners.
Publisher
Research Square Platform LLC
Reference51 articles.
1. Transcriptome and regulatory maps of decidua-derived stromal cells inform gene discovery in preterm birth;Sakabe NJ;Sci Adv,2020
2. Prenatal administration of progestogens for preventing spontaneous preterm birth in women with a multiple pregnancy;Dodd JM;Cochrane Database Syst Rev,2017
3. Self-reported pain scores as a predictor of preterm birth in symptomatic twin pregnancy: a retrospective study;Kim JH;BMC Pregnancy Childbirth,2021
4. Factors Associated with Singleton Preterm Birth in Shire Suhul General Hospital, Northern Ethiopia, 2018;Kelkay B;J Pregnancy,2019
5. The prevalence and associated factors of prenatal depression and anxiety in twin pregnancy: a cross-sectional study in Chongqing, China;Zhou Y;BMC Pregnancy Childbirth,2022