Table 3.
Prognostic significance by univariate analysis of variables for patients with lymph node-negative gastric carcinoma
| Variables | 5-year survival (%) | P value |
| Age (yr) | < 0.01 | |
| < 65 | 79.1 | |
| ≥ 65 | 70.7 | |
| Gender | NS | |
| Male | 74.4 | |
| Female | 81.3 | |
| Tumor size (cm) | < 0.001 | |
| < 2.0 | 88.5 | |
| 2 - 4.9 | 79.2 | |
| ≥ 5 | 53.6 | |
| Depth of invasion | < 0.001 | |
| T1, T2 | 88.4 | |
| T3, T4 | 55.4 | |
| Location | < 0.001 | |
| Upper third | 49.9 | |
| Middle third | 67.9 | |
| Lower third | 62.3 | |
| Histologic type | NS | |
| Differentiated | 78.4 | |
| Undifferentiated | 75.7 | |
| Operative type | < 0.001 NS | |
| Total | 61.5 | |
| Subtotal | 80.9 | |
| Extent of lymph node dissection | ||
| < D2 | 67.6 | |
| ≥ D2 | 77.3 | |
| Stage | < 0.001 | |
| I | 88.4 | |
| II | 61.5 | |
| III | 17.9 | |
| IV | 22.3 |
NS, not significant