Table 3. Differences of clinicopathological characteristics between patients surviving less than 5 years and over 15 years.
| Characteristics | Subgroup | <5 y, n=314 (%) | >15 y, n=398 (%) | P value |
|---|---|---|---|---|
| Gender | Male | 180 (57.3) | 210 (52.8) | 0.225 |
| Female | 134 (42.7) | 188 (47.2) | ||
| Age (years) | <50 | 123 (39.2) | 152 (38.2) | 0.790 |
| ≥50 | 191 (60.8) | 246 (61.8) | ||
| Tumor site | Colon | 75 (24.4) | 154 (39.6) | <0.001 |
| Rectum and anus | 233 (75.6) | 235 (60.4) | ||
| Differentiation* | Well/moderately | 109 (82.0) | 48 (87.1) | 0.219 |
| Poor | 24 (18.0) | 22 (12.9) | ||
| Stage | I/II | 159 (50.6) | 313 (78.6) | <0.001 |
| III | 155 (49.4) | 85 (21.4) |
*, 29 cases with undefined differentiation were excluded.