Table 3.
Univariate survival analyses of CRC patients in operated group according to various clinicopathological variables
| Variable | n | 5-year CCSS (%) | Log rankχ2test | P |
|---|---|---|---|---|
| Years of diagnosis | 65.374 | <0.001 | ||
| 1996-2000 | 75517 | 67.5% | ||
| 2001-2005 | 127231 | 69.5% | ||
| Sex | 2.520 | 0.112 | ||
| Male | 103083 | 69.0% | ||
| Female | 99665 | 68.5% | ||
| Site | 122.381 | <0.001 | ||
| Colon | 127618 | 68.2% | ||
| Rectum | 35530 | 71.6% | ||
| Age | 1112.554 | <0.001 | ||
| 15-30 | 1073 | 62.1% | ||
| 31-40 | 4874 | 69.6% | ||
| 41-50 | 17025 | 70.7% | ||
| 51-60 | 35729 | 72.3% | ||
| 61-70 | 48909 | 71.8% | ||
| 71-80 | 58248 | 68.6% | ||
| >80 | 36890 | 60.1% | ||
| Race | 0.036 | 0.850 | ||
| Caucasian | 166019 | 69.2% | ||
| African American | 20149 | 61.6% | ||
| Others* | 16580 | 72.4% | ||
| Pathological grading | 812.382 | <0.001 | ||
| I- II | 150521 | 72.0% | ||
| III-IV | 38018 | 52.7% | ||
| Unknown | 14209 | 77.2% | ||
| Histological Type | 1162.165 | <0.001 | ||
| Adenocarcinoma | 177748 | 70.0% | ||
| Mucinous/Signet ring cancer | 25000 | 59.7% | ||
| AJCC stage | 16776.287 | <0.001 | ||
| I | 37364 | 92.6% | ||
| II | 59213 | 81.5% | ||
| III | 54234 | 61.3% | ||
| IV | 27707 | 12.6% | ||
| Unknown | 24230 | 81.8% | ||
| No. of LNs dissected | 337.494 | <0.001 | ||
| <12 | 116783 | 69.6% | ||
| ≥12 | 80248 | 69.0% | ||
| Unknown | 5717 | 47.7% |
*Including other (American Indian/AK Native, Asian/Pacific Islander) and unknowns.