Table 3.
Univariate and multivariable analysis of factors associated with overall survival of elderly M1b colon cancer patients
| Variable | Univariate | Multivariable | ||
|---|---|---|---|---|
| HR(95%CL) | P | HR(95%CL) | P | |
| Sex | ||||
| Male | 1 | 1 | ||
| Female | 0.979 (0.927–1.035) | 0.463 | 0.983 (0.929–1.041) | 0.560 |
| Race | ||||
| White | 1 | 0.009 | 1 | 0.001 |
| Black | 1.033 (0.956–1.116) | 0.415 | 0.982 (0.907–1.063) | 0.650 |
| Others | 0.863 (0.779–0.956) | 0.005 | 0.822 (0.741–0.912) | 0.000 |
| Insurance status | ||||
| Uninsured | 1 | 0.045 | 1 | 0.068 |
| Insured | 0.873 (0.759–1.004) | 0.057 | 0.946 (0.822–1.089) | 0.440 |
| Medicaid | 0.938 (0.803–1.096) | 0.423 | 0.865 (0.740–1.012) | 0.070 |
| Marital status | ||||
| Single/Widowed/Separated/Divorced | 1 | 1 | ||
| Married/Partner | 0.828 (0.783–0.875) | 0.000 | 0.940 (0.886–0.996) | 0.037 |
| Surgery | ||||
| None | 1 | 1 | ||
| Surgery | 0.547 (0.516–0.579) | 0.000 | 0.499 (0.471–0.529) | 0.000 |
| Radiation | ||||
| None/Unknown | 1 | 1 | ||
| Yes | 1.075 (0.945–1.222) | 0.274 | 1.029 (0.904–1.171) | 0.666 |
| Chemotherapy | ||||
| None/Unknown | 1 | 1 | ||
| Yes | 0.366 (0.345–0.387) | 0.000 | 0.341 (0.321–0.361) | 0.000 |