Multivariate analyses of 5-year outcomes: the final predictors for developing the nomograms.

Note: The concordance index (c-index) for the training and external validation are given for the nomogram as a performance measure; Tumor location was determined the distance from anal verge by preoperative colonoscopy or digital examination.
*LNR was analyzed as a continuous variable.
Abbreviations: HR, hazard ratio; PH, proportional hazards; c-index, concordance index; CEA, carcinoembryonic antigen; LNR, metastatic lymph nodes ratio.
Multivariate analyses of 5-year outcomes: the final predictors for developing the nomograms.