Table 2.
univariate COX analysis of gastric cancer patients in training set.
| Characteristics | HR (95% CI) | P |
|---|---|---|
| Age(y) | ||
| ≥50 | Reference | |
| <50 | 0.69 (0.42–1.14) | .15 |
| Sex | ||
| Male | Reference | |
| Female | 0.89 (0.59–1.34) | .582 |
| Tumor maximum diameter | ||
| ≥4 cm | Reference | |
| <4 cm | 2.76 (1.89–4.03) | <.001 |
| Differentiation degree | ||
| Low | Reference | |
| Medium-high | 0.52 (0.37–0.74) | <.001 |
| Lauren type | ||
| Intestinal | Reference | |
| Diffuse | 3.96 (2.4–6.53) | <.001 |
| Mixed | 2.63 (1.49–4.62) | .001 |
| T stage | ||
| T1 | Reference | |
| T2 | 1.35 (0.45–4.01) | .593 |
| T3 | 7.37 (2.34–23.24) | .001 |
| T4a | 7.62 (3.55–16.37) | <.001 |
| T4b | 20.82 (6.07–71.38) | <.001 |
| N stage | ||
| 0 | Reference | |
| 1 | 2.22 (1.17–4.23) | .015 |
| 2 | 3.21 (1.84–5.58) | <.001 |
| 3a | 7.02 (4.09–12.03) | <.001 |
| 3b | 11.1 (6.44–19.16) | <.001 |
| Vascular tumor thrombus | ||
| Yes | Reference | |
| No | 2.34 (1.66–3.28) | <.001 |
| Nerve invasion | ||
| Yes | Reference | |
| No | 3.21 (2.19–4.7) | <.001 |
| Tumor deposit | ||
| Yes | Reference | |
| No | 2.77 (1.75–4.39) | <.001 |
| Family history of malignant tumor | ||
| No | Reference | |
| Gastric cancer | 1.89 (1.1–3.25) | .021 |
| Other | 1.08 (0.63–1.86) | .771 |