Fig. 4From: Prediction of iatrogenic preterm birth in patients with scarred uterus: a retrospective cohort study in Northeast ChinaDecision curve analysis for IPTB. Legend: The decision curve analysis shows that if the threshold is between 0.15–0.6, use of the nomogram in this study to predict IPTB adds more benefit than either a treat-all-patients scheme or a treat-none schemeBack to article page