Table 2. Univariate and multivariate analyses based on Cox’s Proportional Hazards Model for disease-specific survival according to the clinicopathological features evaluated before surgery in stage III colorectal cancer patients.
| Variables | No. of cases | Univariate Analysis | Multivariate Analysis | ||||
|---|---|---|---|---|---|---|---|
| Hazard Ratio | 95% Confidence Interval | P value | Hazard Ratio | 95% Confidence Interval | P value | ||
| Sex | |||||||
| Male/Female | 289/223 | 1.02 | 0.67-1.55 | 0.93 | |||
| Age | |||||||
| ≥ 65/< 65 | 282/230 | 1.36 | 0.89–2.09 | 0.15 | |||
| Location | |||||||
| Left side/Right side | 400/112 | 1.26 | 0.76–2.21 | 0.38 | |||
| Serum CEA level before surgery (μg/L) | |||||||
| > 5.3/≤ 5.3 | 178/334 | 1.67 | 1.10–2.52 | 0.017 | Not selected | ||
| Serum CA19-9 level before surgery (U/ml) | |||||||
| > 37/≤ 37 | 91/421 | 1.66 | 1.00–2.63 | 0.049 | Not selected | ||
| Macroscopic type | |||||||
| Type3, 4, 5/Type0, 1, 2 | 51/461 | 2.24 | 1.26–3.73 | 0.0076 | 1.82 | 1.00–3.09 | 0.047 |
| Maximum diameter of tumor (mm) | |||||||
| ≥ 50/< 50 | 27/275 | 1.46 | 0.97–2.22 | 0.071 | Not selected | ||
| Tumor intestinal annular propotion | |||||||
| ≥ 50/< 50 | 376/136 | 2.16 | 1.25–4.08 | 0.0049 | Not selected | ||
| Histological grading | |||||||
| G3/G1, 2 | 44/468 | 2.00 | 1.06–3.48 | 0.034 | Not selected | ||
| Depth of tumor | |||||||
| ≥ T3/≤ T2 | 451/61 | 4.37 | 1.64–17.79 | 0.0013 | Not selected | ||
| Mismatch repair protein | |||||||
| Deficient/Proficient | 36/476 | 1.06 | 0.45-2.14 | 0.88 | |||
| Mesothelin expression | |||||||
| Positive/Negative | 61/451 | 2.32 | 1.36–3.78 | 0.0028 | 2.31 | 1.34–3.79 | 0.0033 |