NAAA and colorectal carcinoma: According to the time‐dependent ROC curve, the areas under the curves (AUCs) of PPR, namely, 0.702 and 0.620 for 1‐year and 5‐year OS of patients undergoing radical resection of CRC, respectively, were higher than those of MLR, PLR, PLT, and NLR in the development cohort (Figure 4A,C).