Time-dependent ROC analysis. Time-dependent receiver-operator (ROC) analysis using the NCI-SEER dataset (clinical and demographic risk score, 4 SNP risk score, combined 4 SNP and clinical and demographic risk score) and using the Lymphoma/Leukemia Molecular Profiling Project (LLMPP) dataset8 (International Prognostic Index [IPI], Germinal-center B cell–like [GCB], and GCB + IPI).