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The C-index of nomogram model and TNM stage for prediction of OS in the primary cohort and validation cohort
| Factor | Primary cohort | Validation cohort | ||
|---|---|---|---|---|
| C-index (95% CI) | p | C-index (95% CI) | p | |
| Nomogram model | 0.780 (0.733–0.827) | 0.786 (0.731–0.841) | ||
| TNM stage | 0.693 (0.640–0.746) | 0.704 (0.642–0.766) | ||
| Nomogram model vs TNM stage | < 0.01 | < 0.01 | ||
Nomogram Model: including eight risk factors (age, size, pTNM, treatment, APOAI, APOB GGT and LDH)
C-index concordance index, CI confidence interval
