TABLE 3.
Association Between Demographics, Treatment Characteristics, and Overall Survival (Multivariate Analysis)
| Characteristic | HR (95% CI) for Death | Overall P Value |
|---|---|---|
| Age | 0.14 | |
| < 65 y | Reference | |
| ≥ 65 y | 0.82(0.63–1.07) | |
| Gender | 0.03 | |
| Male | Reference | |
| Female | 0.75(0.57–0.97) | |
| Race/ethnicity | 0.25 | |
| Non-Hispanic white | Reference | |
| Other | 0.87(0.70–1.10) | |
| Insurance type | 0.46 | |
| Private insurance | Reference | |
| No insurance | 1.17(0.85–1.60) | |
| Medicaid | 1.38(0.83–2.30) | |
| Medicare | 1.40(0.93–2.09) | |
| VA | 1.13(0.82–1.55) | |
| Number of cycles of first-line chemotherapy | <0.001 | |
| 1–3 | 3.16(2.52–3.96) | |
| ≥4 | Reference | |
| Pre-chemotherapy palliative radiation therapy | 0.13 | |
| Yes | 0.83(0.65–1.05) | |
| No | Reference | |
| Receipt of second-line chemotherapy | <0.001 | |
| Yes | 0.46(0.37–0.58) | |
| No | Reference | |
CI, Confidence Interval