Table 3. Multivariate analysis for overall survival in the development set and prognostic score of patients with gastric cancer.
| Variables | HR | 95% CI | P value | Score |
|---|---|---|---|---|
| Age at diagnosis (years) | ||||
| < 65 | 1.000 | 0 | ||
| ≥ 65 | 1.445 | 1.129–1.850 | 0.003 | 1 |
| Tumor size | ||||
| ≤ 4.5 cm | 1.000 | 0 | ||
| > 4.5 cm | 1.345 | 1.030–1.756 | 0.030 | 1 |
| Lauren type | ||||
| Intestinal | 1.000 | 0 | ||
| Diffuse | 1.594 | 1.204–2.112 | 0.001 | 1 |
| Mixed | 1.435 | 1.026–2.006 | 0.035 | 1 |
| Depth of invasion | ||||
| T1 | 1.000 | 0 | ||
| T2 | 4.136 | 1.537–11.126 | 0.005 | 3 |
| T3 | 6.453 | 2.474–16.830 | < 0.001 | 5 |
| T4 | 7.567 | 2.974–19.253 | < 0.001 | 6 |
| Metastatic LNs, No. | ||||
| 0 | 1.000 | 0 | ||
| 1–2 | 1.675 | 1.053–2.667 | 0.030 | 1 |
| 3–6 | 2.173 | 1.387–3.404 | 0.001 | 2 |
| 7–15 | 3.774 | 2.456–5.799 | < 0.001 | 3 |
| >15 | 4.488 | 2.862–7.039 | < 0.001 | 3 |
| NLR | ||||
| ≤ 1.86 | 1.000 | 0 | ||
| > 1.86 | 1.379 | 1.082–1.758 | 0.009 | 1 |
Abbreviations: LNs, lymph nodes; NLR, neutrophil—lymphocyte ratio; HR, hazard ratio; CI, confidence interval.