Predictive value of indirect bilirubin before neoadjuvant chemoradiotherapy in evaluating prognosis of local advanced rectal cancer patients

Figure 1 Nomograms. A: Overall survival; B: Disease-free survival. OS: Overall survival; DFS: Disease-free survival; nCRT: Neoadjuvant chemoradiotherapy; pre-IBIL: Indirect bilirubin before neoadjuvant chemoradiotherapy; BMI: Body mass index; TRG: Tumor regression grade; pre-CA19-9: Carbohydrate antigen 19-9 before neoadjuvant chemoradiotherapy.

Figure 2 Nomogram model receiver operating characteristic curve. A: 5-year overall survival; B: 5-year disease-free survival. ROC: Receiver operating characteristic; AUC: Area under the receiver operating characteristic curve; OS: Overall survival; DFS: Disease-free survival.

Figure 3 Nomogram model calibration curves. A: 5-year overall survival; B: 5-year disease-free survival. OS: Overall survival; DFS: Disease-free survival.

Figure 4 Kaplan-Meier curves. A: Overall survival; B: Disease-free survival. nCRT: Neoadjuvant chemoradiotherapy; pre-IBIL: Indirect bilirubin before neoadjuvant chemoradiotherapy.