Fig. 3From: Risk prediction of sleep disturbance in clinical nurses: a nomogram and artificial neural network modela The receiver operating characteristic (ROC) curve of training cohort. b:The receiver operating characteristic (ROC) curve of validation cohort. c:Validity of the predictive performance of the nomogram in estimating the risk of sleep disturbance presence in the training cohort (n = 304). d:Validity of the predictive performance of the nomogram in estimating the risk of sleep disturbance presence in the validation cohort (n = 130)Back to article page