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How this model should be used:
This nomogram can be applied to estimate the 3-year and 5-year overall survival for patients with intrahepatic cholangiocarcinoma (ICC) following partial hepatectomy.
Model performance:
The c-index of the nomogram for predicting overall survival in the derivation cohort (N=367) was 0.74 (95% CI: 0.71 to 0.77), which was statistically higher than the c-index values of the following systems: American Joint Committee on Cancer (AJCC) seventh edition (0.65), AJCC sixth edition (0.65), Nathan (0.64), Liver Cancer Study Group of Japan (0.64), and Okabayashi (0.67; P < 0.001 for all). In the external validation cohort (N=82), the reported c-index was 0.75 (95% CI: 0.60 to 0.63). Finally, the calibration curve for probability of survival showed good agreement between prediction by nomogram and actual observation in both the derivation (Figure 1) and the validation cohort (Figure 2).1
Source:
1 Wang Y, Li J, Xia Y, Gong R, et al. Prognostic nomogram for intrahepatic cholangiocarcinoma after partial hepatectomy. J Clin Oncol. 2013;31(9):1188-95.
This algorithm is provided for educational, training and information purposes. It must not be used to support medical decision making, or to provide medical or diagnostic services. Read our full disclaimer.
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