Table 4. Multivariate prognostic factors for overall mortality among the 360 patients with non-metastatic resected gastric cancer.
| Variate | HR | 95% Cl | P |
| Age at diagnosis | |||
| 65–70 years | 1.00 | Referent | - |
| >70 years | 1.22 | 0.91–1.62 | 0.19 |
| Gender | |||
| Male | 1.00 | Referent | - |
| Female | 0.87 | 0.62–1.22 | 0.421 |
| Chalson index | |||
| 0 | 1.00 | Referent | - |
| 1 | 1.12 | 0.79–1.58 | 0.521 |
| 2+ | 0.68 | 0.28–1.69 | 0.409 |
| Time of diagnosis | |||
| 1999–2003 | 1.00 | Referent | - |
| 2004–2007 | 0.98 | 0.72–1.33 | 0.886 |
| Location of tumor | |||
| Proximal | 1.00 | Referent | - |
| Distal | 0.55 | 0.39–0.77 | 0.001* |
| Size | |||
| ≤5 cm | 1.00 | Referent | - |
| >5 cm | 1.54 | 1.14–2.07 | 0.004* |
| Grade | |||
| Well or moderately differentiated | 1.00 | Referent | - |
| Poorly differentiated or undifferentiated | 1.64 | 1.18–2.30 | 0.004* |
| T category | |||
| T1/T2 | 1.00 | Referent | - |
| T3 | 1.65 | 0.75–3.65 | 0.217 |
| T4 | 2.90 | 1.54–5.45 | 0.001* |
| N category | |||
| N0 | 1.00 | Referent | - |
| N1 | 2.03 | 1.34–3.07 | 0.001* |
| N2 | 2.22 | 1.46–3.37 | <0.001* |
| N3 | 3.49 | 2.25–5.39 | <0.001* |
| Treatment | |||
| Surgery alone | 1.00 | Referent | - |
| Adjuvant chemotherapy | 0.60 | 0.42–0.83 | 0.003* |
Abbreviations: CI, confidence interval; T, tumor; N, lymph node.
*
Statistically significant.