Table 5.
Univariate analysis of prognostic factors for 213 patients
| Factors | Number | Survival rate (%) | χ2 | P | |
|---|---|---|---|---|---|
|
| |||||
| 1-year | 3-year | ||||
| Sex | |||||
| Male | 129 | 94.6 | 80.6 | 1.741 | 0.187 |
| Female | 84 | 88.1 | 72.6 | ||
| Age (year) | |||||
| ≤ 60 | 113 | 93.8 | 77.9 | 0.143 | 0.705 |
| > 60 | 100 | 90.0 | 76.9 | ||
| Tumor size (cm) | |||||
| ≤ 5 | 146 | 93.2 | 76.7 | 0.143 | 0.705 |
| > 5 | 67 | 89.4 | 75.5 | ||
| Tumor site | |||||
| Colon | 97 | 86.6 | 73.2 | 2.357 | 0.125 |
| Rectum | 116 | 96.6 | 81.0 | ||
| Tumor gross type | |||||
| Protruded | 52 | 98.1 | 96.2 | 28.500 | 0.000 |
| Ulceration | 129 | 93.0 | 77.3 | ||
| Infiltrative | 32 | 78.1 | 46.1 | ||
| Histological type | |||||
| Non-MUC | 160 | 94.4 | 80.6 | 4.772 | 0.029 |
| MUC | 53 | 84.9 | 67.8 | ||
| Histological grade | |||||
| Well | 46 | 95.7 | 91.3 | 7.025 | 0.030 |
| Moderately | 144 | 93.1 | 75.7 | ||
| Poorly | 23 | 78.3 | 60.3 | ||
| Tumor necrosis | |||||
| Yes | 78 | 90.4 | 78.5 | 0.393 | 0.531 |
| No | 135 | 94.9 | 75.6 | ||
| UICC T stage | |||||
| T1/T2 | 31 | 96.8 | 93.5 | 7.208 | 0.027 |
| T3 | 123 | 91.9 | 78.0 | ||
| T4 | 59 | 89.8 | 67.6 | ||
| UICC N stage | |||||
| N0 | 98 | 96.9 | 92.9 | 32.090 | 0.000 |
| N1 | 47 | 95.7 | 76.6 | ||
| N2 | 68 | 82.4 | 55.5 | ||
| UICC M stage | |||||
| M0 | 178 | 94.4 | 84.3 | 42.273 | 0.000 |
| M1 | 35 | 80.0 | 42.5 | ||
| TNM stage | |||||
| I | 26 | 96.2 | 96.2 | 49.463 | 0.000 |
| II | 69 | 97.1 | 91.3 | ||
| III | 83 | 91.6 | 74.7 | ||
| IV | 35 | 80.0 | 42.5 | ||
| MSC | |||||
| Normal type | 42 | 95.2 | 88.1 | 10.968 | 0.012 |
| Reactive type | 62 | 95.2 | 82.3 | ||
| Nodular type | 65 | 92.2 | 76.6 | ||
| Colloid type | 44 | 86.4 | 65.1 | ||
MSC: Macroscopic serosal classification.