Figure 2

Nomogram construction and validation. (A) Lasso coefficient profiles of the 9 predictors. (B) Optimal predictor (lambda) selection in the Lasso model with fivefold cross validation by minimum criteria. (C) Receiver operating characteristic curve analysis in the training cohorts. (D) Receiver operating characteristic curve analysis in the validation cohorts. (E) Calibration curve analysis in the training cohorts. (F) Calibration curve analysis in the validation cohorts.