Table 3.
Significant variables in the multivariate analyses
| Variables | HR (95% CI) | P-valuea | P-valueb |
|---|---|---|---|
| Jaundice and node status | |||
| Non-jaundiced, N0 | 1 | ||
| Non-jaundiced, N1 | 4.92 (2.01–12.05) | <0.001 | <0.001 |
| Jaundiced, N0 | 3.01 (1.29–7.01) | 0.011 | 0.012 |
| Jaundiced, N1 | 4.02 (1.79–9.27) | 0.001 | <0.001 |
| Age (per 1-year increase) | 1.02 (1.01–1.03) | 0.004 | <0.001 |
| Differentiation | |||
| Good | 1 | ||
| Moderate | 1.39 (0.78–2.49) | 0.262 | 0.277 |
| Poor | 1.93 (1.08–3.47) | 0.028 | 0.017 |
| Lymphatic invasion | |||
| No | 1 | ||
| Yes | 1.37 (1.05–1.80) | 0.023 | 0.031 |
a
Using 319 patients without missing values.
b
Using all 412 patients with imputation of missing values.
HR, hazard ratio; 95% CI, 95% confidence interval.