Copyright: ©Author(s) 2026.
World J Gastrointest Surg. Mar 27, 2026; 18(3): 115906
Published online Mar 27, 2026. doi: 10.4240/wjgs.v18.i3.115906
Published online Mar 27, 2026. doi: 10.4240/wjgs.v18.i3.115906
Figure 4 Discrimination evaluation and internal model validation.
A and B: Receiver operating characteristic curves of the nomogram prediction model in the training and external validation cohorts 1 year, 2 years, and 3 years after surgery; C and D: Time-dependent C-index analysis. AUC: Area under the receiver operating characteristic curve; CA19-9: Carbohydrate antigen 19-9; SII: Systemic immune inflammation index; PNI: Prognostic nutritional index.
- Citation: Tang J, Ding SL, Wu Y, Wu YP, Yuan XB, Wu PF, Sha DS. Prognostic value of a nomogram model for pancreatic cancer incorporating the systemic immune-inflammation and prognostic nutritional indices. World J Gastrointest Surg 2026; 18(3): 115906
- URL: https://www.wjgnet.com/1948-9366/full/v18/i3/115906.htm
- DOI: https://dx.doi.org/10.4240/wjgs.v18.i3.115906