Fig. 4

Construction of diagnostic model and validation of model. a Classification results and ROC curves of samples by diagnostic model in training data set. b Classification results and ROC curves of samples by diagnostic model in GSE21942. c Classification results and ROC curves of samples by diagnostic model in GSE43591. d Classification results and ROC curves of samples by diagnostic model in GSE43591 + GSE21942. e Classification results and ROC curves of samples by diagnostic model in GSE15245