Table 4.
Univariate and multivariable analysis of factors associated with cancer-specific survival of elderly M1b colon cancer patients
| Variable | Univariate | Multivariable | ||
|---|---|---|---|---|
| HR(95%CL) | P | HR(95%CL) | P | |
| Sex | ||||
| Male | 1 | 1 | ||
| Female | 0.985 (0.924–1.050) | 0.635 | 0.992 (0.929–1.059) | 0.810 |
| Race | ||||
| White | 1 | 0.131 | 1 | 0.124 |
| Black | 1.068 (0.977–1.167) | 0.146 | 1.011 (0.924–1.107) | 0.809 |
| Others | 0.933 (0.831–1.046) | 0.233 | 0.889 (0.791–0.999) | 0.048 |
| Insurance status | ||||
| Uninsured | 1 | 0.001 | 1 | 0.010 |
| Insured | 0.768 (0.660–0.895) | 0.001 | 0.832 (0.714–0.970) | 0.018 |
| Medicaid | 0.837 (0.705–0.993) | 0.041 | 0.767 (0.645–0.911) | 0.002 |
| Marital status | ||||
| Single/Widowed/Separated/Divorced | 1 | 1 | ||
| Married/Partner | 0.833 (0.782–0.888) | 0.000 | 0.945 (0.884–1.010) | 0.097 |
| Surgery | ||||
| None | 1 | 1 | ||
| Surgery | 0.531 (0.497–0.567) | 0.000 | 0.488 (0.456–0.522) | 0.000 |
| Radiation | ||||
| None/Unknown | 1 | 1 | ||
| Yes | 1.086 (0.937–1.259) | 0.274 | 1.036 (0.893–1.201) | 0.640 |
| Chemotherapy | ||||
| None/Unknown | 1 | 1 | ||
| Yes | 0.384 (0.360–0.410) | 0.000 | 0.358 (0.334–0.383) | 0.000 |