Figure 5. Prognosis dependent ROC curves of PNI were constructed in CRLM patients. AUC of 3 months, 6 months, 12 months were separately 0.54, 0.73 and 0.67. ROC, receive operating characteristics; PNI, prognostic nutrition index; CRLM, colorectal cancer liver metastasis; AUC, area under curve.