Fig. 4From: Exploiting an early warning Nomogram for predicting the risk of ICU admission in patients with COVID-19: a multi-center study in ChinaDecision curves of the nomogram predicting the risk of ICU admission in training (a) and validation cohort (b). The x-axis represents threshold probabilities and the y-axis measures the net benefit calculated by adding true positives and subtracting false positivesBack to article page