Characteristic | Univariate analysis | Multivariate analysis | ||
---|---|---|---|---|
HR (95%CI) | P value | HR (95%CI) | P value | |
Age | 1.01 (1.00-1.02) | 0.003 | 1.01 (1.00-1.02) | 0.003 |
Size | ||||
≤ 5 cm | Ref. | Ref. | ||
> 5 cm | 1.39 (1.15–1.69) | 0.001 | 1.12 (0.91–1.37) | 0.292 |
Gender | ||||
Male | Ref. | |||
Female | 0.94 (0.78–1.14) | 0.538 | ||
Subsite | 0.729 | |||
Right | Ref. | |||
Left | 0.94 (0.76–1.16) | 0.538 | ||
Rectal | 0.85 (0.49–1.48) | 0.568 | ||
Grade | ||||
Well | Ref. | |||
Poor | 1.01 (0.65–1.57) | 0.957 | ||
T stage | ||||
T1-3 | Ref. | Ref. | ||
T4 | 1.83 (1.50–2.24) | < 0.001 | 1.43 (1.16–1.77) | 0.001 |
N stage | ||||
< 4 nodes | Ref. | Ref. | ||
≥ 4 nodes | 2.15 (1.68–2.76) | < 0.001 | 2.01 (1.55–2.61) | < 0.001 |
TNM stage | ||||
III | Ref. | Ref. | ||
IV | 2.22(1.83–2.70) | < 0.001 | 1.83(1.47–2.27) | < 0.001 |
PNI | ||||
Absent | Ref. | Ref. | ||
Present | 1.35(1.11–1.63) | 0.002 | 1.04(0.85–1.27) | 0.727 |
TD | ||||
Negative | Ref. | Ref. | ||
Positive | 1.75(1.44–2.12) | < 0.001 | 1.44(1.16–1.78) | < 0.001 |
CEA | ||||
Negative | Ref. | Ref. | ||
Positive | 1.61(1.33–1.97) | < 0.001 | 1.25(1.01–1.55) | 0.039 |
Chemotherapy | ||||
No | Ref. | Ref. | ||
Yes | 0.50(0.40–0.60) | < 0.001 | 0.46(0.371–0.57) | < 0.001 |