Fig. 4

Six-, 12-, and 18-month ROC curves of Model^R, Model^C, and Model^CR in the training cohort (a1, a2, and a3) and validation cohort (b1, b2, and b3). The graphs suggest that Model^CR can more accurately predict SLI. Model^C, model based solely on clinical factors; Model^R, model based only on radiomic features; Model^CR, model based on both clinical and radiomic factors; SLI, silent lacunar infarction; ROC, receiver operating characteristic