Table 3.
Univariate analysis of prognosis of colorectal cancer
| Factor | Mean survival time (mo, Follow‐up 60 mo) | Hazard Ratio (HR) | 95% CI for survival time | 5 y survival rate (%) | P value |
|---|---|---|---|---|---|
| Gender | |||||
| Male | 53.06 | 1 | 51.76‐54.35 | 60.1 | 0.022* |
| Female | 54.77 | 0.713 | 53.46‐56.08 | 69.2 | |
| Location | |||||
| Ileocecum | 51.28 | 1 | 47.25‐55.31 | 52.9 | 0.616 |
| Right colon | 53.71 | 0.533 | 50.35‐57.06 | 73.2 | |
| Transverse colon | 53.86 | 0.747 | 51.64‐56.07 | 61.4 | |
| Left colon | 53.67 | 0.681 | 51.62‐55.73 | 64.8 | |
| Sigmoid colon | 55.20 | 0.684 | 52.99‐57.41 | 63.2 | |
| Rectum | 54.19 | 0.636 | 52.66‐55.73 | 66.4 | |
| Invasive Depth | |||||
| T1 | 58.02 | 1 | 56.20‐59.84 | 85.4 | 0.022* |
| T2 | 54.71 | 2.805 | 52.73‐56.70 | 63.3 | |
| T3 | 53.45 | 2.976 | 52.08‐54.81 | 62.8 | |
| T4 | 52.72 | 3.220 | 50.73‐54.72 | 61.0 | |
| Differentiation | |||||
| Well | 59.59 | 1 | 58.87‐60.03 | 95.8 | <0.01* |
| Moderate | 56.52 | 6.933 | 55.65‐57.39 | 74.4 | |
| Poorly, undifferentiation | 42.05 | 49.911 | 39.71‐44.38 | 53.1 | |
| TNM | |||||
| Ⅰ | 59.81 | 1 | 59.59‐60.03 | 95.3 | <0.01* |
| II | 56.95 | 5.764 | 55.70‐58.20 | 75.8 | |
| III | 51.29 | 13.877 | 49.95‐52.64 | 53.1 | |
| Serum CEA | |||||
| ≤10 ng/mL | 55.01 | 1 | 53.66‐56.36 | 70.5 | 0.021* |
| >10 ng/mL | 53.17 | 1.433 | 51.93‐54.41 | 60.6 | |
| Tumor tissue CEA | |||||
| + | 58.35 | 1 | 57.46‐59.25 | 88.6 | <0.01* |
| ++ | 55.15 | 2.895 | 53.78‐56.51 | 70.3 | |
| +++ | 48.28 | 8.381 | 46.35‐50.22 | 35.5 | |
| Chemotherapy | |||||
| Yes | 53.06 | 1 | 52.02‐54.09 | 60.1 | <0.01* |
| No | 59.50 | 0.121 | 58.83‐60.15 | 93.9 | |
*
P < 0.05 statistical difference.