Table 2.
Univariate analysis of variables for gastric cancer patients after curative distal gastrectomy
| Parameters | n | 5-yr survival (%) | χ2 | P |
| Gender | < 0.001 | 0.991 | ||
| Male | 467 | 58.1 | ||
| Female | 167 | 56.3 | ||
| Age (yr) | 0.641 | 0.423 | ||
| < 60 | 370 | 58.9 | ||
| ≥ 60 | 264 | 56.0 | ||
| Tumor size (cm) | 4.409 | 0.036 | ||
| ≤ 4 | 343 | 61.0 | ||
| > 4 | 291 | 53.6 | ||
| Tumor location | 5.693 | 0.058 | ||
| Lower | 521 | 57.7 | ||
| Middle | 71 | 63.7 | ||
| Lower and Middle | 42 | 45.4 | ||
| Digestive tract construction | 5.508 | 0.064 | ||
| Billroth I | 469 | 60.7 | ||
| Billroth II | 148 | 48.5 | ||
| Roux-en-Y | 17 | 51.0 | ||
| Pathology | 9.135 | 0.003 | ||
| Differentiated | 140 | 68.1 | ||
| Undifferentiated | 494 | 54.6 | ||
| Depth of invasion | 70.466 | 0.000 | ||
| pT1 | 118 | 90.6 | ||
| pT2 | 174 | 64.4 | ||
| pT3 | 342 | 42.9 | ||
| pN category | 142.279 | 0.000 | ||
| pN0 | 195 | 83.3 | ||
| pN1 | 232 | 59.3 | ||
| pN2 | 156 | 33.9 | ||
| pN3 | 51 | 20.0 | ||
| rN category | 217.494 | 0.000 | ||
| rN0 | 195 | 83.3 | ||
| rN1 | 172 | 68.6 | ||
| rN2 | 156 | 40.7 | ||
| rN3 | 111 | 17.2 |