Table 3. Multivariate analysis of factors associated with overall survival (N=358).
| Number of patients | Number of death | HR | 95% CI | P | Internal validation BCA HR 95% | Max scores in nomogram | |
|---|---|---|---|---|---|---|---|
| Age at diagnosis, years | 358 | 307 | 1.013 | 1.000–1.025 | 0.0478 | 1.000–1.025 | 43 |
| Pain | |||||||
| No | 155 | 130 | 1 | – | – | ||
| Yes | 203 | 177 | 1.292 | 1.023–1.632 | 0.0317 | 1.046–1.657 | 16 |
| Albumin, g l−1 | 358 | 307 | 0.963 | 0.942–0.984 | 0.0006 | 0.942–0.988 | 96 |
| Tumour size, mm | 358 | 307 | 1.008 | 1.001–1.015 | 0.0214 | 1.000–1.016 | 100 |
| CA 19-9, UI (log-value) | 358 | 307 | 1.172 | 1.047–1.311 | 0.0056 | 1.039–1.306 | 80 |
Abbreviations: BCA=accelerated bootstrap confidence interval; CI=confidence interval; HR=hazard ratio. Bold values reflect that P-values are all significant <0.05.