Variable | Univariate analysis | Multivariate analysis | ||
---|---|---|---|---|
HR (95% CI) | P | HR (95% CI) | P | |
Age | ||||
 <60 | 1 |  | 1 | <0.001 |
 ≥60 | 1.17 (1.01–1.35) | 0.036 | 1.55 (1.34–1.8 ) | |
Sex | ||||
 Male | 1 |  |  |  |
 Female | 1.05 (0.92–1.19) | 0.486 |  | |
Race | ||||
 Black | 1 |  |  |  |
 White | 0.86 (0.7–1.05) | 0.129 |  | |
 Others (AI, API) | 0.85 (0.64–1.13) | 0.269 |  | |
Martial status | ||||
 Unmarried | 1 |  | 1 | 0.2546 |
 Married | 0.88 (0.77–1) | 0.045 | 0.93 (0.81–1.06) | |
Primary site | ||||
 Left colona | 1 |  | 1 |  |
 Right colonb | 0.88 (0.75–1.03) | 0.103 |  | |
 Overlapping lesion of colon | 1.51 (0.99–2.3) | 0.055 |  | |
 Rectumc | 1.18 (0.9–1.55) | 0.231 |  | |
Tumor size (mm) | ||||
 ≤50 | 1 |  | 1 | 0.1026 |
 >50 | 1.35 (1.18–1.54) | <0.001 | 1.12 (0.98–1.29) | |
Grade | ||||
 Grade I/II | 1 |  | 1 | 0.0012 |
 Grade III/IV | 2.06 (1.79–2.36) | <0.001 | 1.27 (1.1–1.47) | |
pT stage | ||||
 pT1 | 1 |  | 1 |  |
 pT2 | 1.35 (0.56–3.26) | 0.507 | 1.09 (0.45–2.65) | 0.8423 |
 pT3 | 3.85 (1.72–8.62) | 0.001 | 1.8 (0.8–4.07) | 0.1562 |
 pT4 | 11.64 (5.2–26.05) | <0.001 | 2.94 (1.29–6.69) | 0.0102 |
pN stage | ||||
 pN0 | 1 |  | 1 |  |
 pN1 | 3.14 (2.62-3.77) | <0.001 | 2.1 (1.71–2.58) | <0.001 |
 pN2 | 7.21 (6.08-8.56) | <0.001 | 3.5 (2.84–4.32) | <0.001 |
M stage | ||||
 M0 | 1 | 1 |  | <0.001 |
 M1 | 8.21 (7.18-9.4) | <0.001 | 3.58 (3.04–4.22) | |
CEA | ||||
 Negative | 1 |  | 1 | <0.001 |
 Positive | 2.55 (2.22-2.93) | <0.001 | 1.54 (1.33–1.79) | |
PNI | ||||
 Negative | 1 |  |  | 0.0398 |
 Positive | 2.95 (2.52-3.45) | <0.001 | 1.19 (1.01–1.41) | |
TD | ||||
 Negative | 1 |  |  | <0.001 |
 Positive | 4.52 (3.94-5.18) | <0.001 | 1.51 (1.29–1.76) | |
RNE | ||||
 <12 | 1 |  |  | <0.001 |
 ≥12 | 0.48 (0.39-0.58) | <0.001 | 0.65 (0.53–0.79) | |
Chemotherapy | ||||
 No/Unknown | 1 |  | 1 | 0.001 |
 Yes | 2.19 (1.91-2.5) | <0.001 | 0.77 (0.66–0.9) |