Table 4.
Univariate and multivariable analysis of factors associated with cancer-specific survival of MAC of RCC.
| Variable | Univariate | Multivariate | ||
|---|---|---|---|---|
| RR(95%CI) | P | RR(95%CI) | P | |
| Race | ||||
| White | 1 | 0.201 | ||
| Black | 1.154(0.935–1.425) | |||
| Others | 0.846(0.624–1.148) | |||
| Age (years) | ||||
| ≤ 60 | 1 | 0.010 | 1 | <0.001 |
| >60 | 1.244(1.053–1.470) | 1.603(1.342–1.916) | ||
| Sex | ||||
| Female | 1 | 0.415 | ||
| Male | 0.944(0.823–1.084) | |||
| CEA | ||||
| Normal | 1 | <0.001 | 1 | <0.001 |
| Elevated | 2.291(1.986–2.643) | 1.428(1.225–1.664) | ||
| PNI | ||||
| Absent | 1 | <0.001 | 1 | <0.001 |
| Present | 2.864(2.404–3.412) | 1.436(1.196–1.726) | ||
| Size (cm) | ||||
| ≤5 | 1 | <0.001 | 1 | 0.076 |
| >5 | 1.428(1.239–1.645) | 1.143(0.986–1.326) | ||
| Tumor number | ||||
| Solitary | 1 | 0.454 | ||
| Multiple | 0.944(0.812–1.098) | |||
| Location | ||||
| Cecum | 1 | 0.269 | ||
| Ascending | 0.875(0.747–1.025) | |||
| Hepatic Flexure | 0.844(0.644–1.107) | |||
| Transverse Colon | 0.999(0.820–1.217) | |||
| Differentiation | ||||
| Grade I/Grade II | 1 | <0.001 | 1 | 0.001 |
| Grade III/Grade IV | 1.870(1.620–2.158) | 1.288(1.112–1.493) | ||
| Stage(TNM 7ed) | ||||
| I | 1 | <0.001 | 1 | <0.001 |
| II | 2.239(1.331–3.765) | 2.002(1.183–3.385) | ||
| III | 7.720(4.674–12.751) | 9.293(5.553–15.554) | ||
| IV | 31.162(18.860–51.489) | 36.099(21.298–61.187) | ||
| Surgery type | ||||
| PC | 1 | 0.407 | ||
| RHC | 1.078(0.903–1.287) | |||
| Postoperative chemotherapy | ||||
| No/Unknown | 1 | <0.001 | 1 | <0.001 |
| Yes | 0.534(0.466–0.612) | 0.571(0.488–0.669) | ||