Table 3.
Effect of Medicare coverage for SPKT on the role of other patient characteristics in determining registration for SPKT versus KT
| Main effect | Interaction term | |||
|---|---|---|---|---|
| RR (95% CI) | p-Value | RR (95% CI) | p-Value | |
| Coverage era | ||||
| 1/95–12/99 | Reference | |||
| 1/00–2/08 | 1.27 (1.16–1.38) | <0.001 | ||
| Race | ||||
| Caucasian | Reference | Reference | ||
| African American | 0.74 (0.65–0.83) | <0.001 | 0.97 (0.87–1.09) | 0.6 |
| Hispanic | 0.76 (0.63–0.91) | <0.001 | 0.94 (0.78–1.05) | 0.2 |
| Gender | ||||
| Male | Reference | Reference | ||
| Female | 0.98 (0.94–1.01) | 0.2 | 1.00 (0.94–1.05) | 0.9 |
| Insurance | ||||
| Private | Reference | Reference | ||
| Medicare | 0.71 (0.66–0.77) | <0.001 | 1.18 (1.09–1.28) | <0.001 |
| Medicaid | 0.75 (0.65–0.80) | <0.001 | 1.11 (0.97–1.26) | 0.1 |
| Education | ||||
| Pre-college | Reference | Reference | ||
| College | 1.13 (1.07–1.19) | <0.001 | 0.95 (0.89–1.01) | 0.1 |
| Blood type | ||||
| A | Reference | |||
| B | 1.00 (0.96–1.04) | 0.9 | ||
| AB | 1.02 (0.96–1.08) | 0.5 | ||
| O | 1.01 (0.99–1.03) | 0.3 | ||
| Peak PRA | ||||
| 0–19% | Reference | |||
| 20–79% | 0.93 (0.88–0.98) | <0.001 | ||
| >80% | 0.92 (0.85–0.99) | 0.02 | ||
| BMI | ||||
| <25 | Reference | |||
| 25–30 | 0.93 (0.90–0.96) | <0.001 | ||
| 30–35 | 0.67 (0.62–0.73) | <0.001 | ||
| >35 | 0.40 (0.33–0.48) | <0.001 | ||
| Age at listing | ||||
| 18–39 | Reference | |||
| 40–49 | 0.81 (0.79–0.84) | <0.001 | ||
| 50–55 | 0.48 (0.43–0.54) | <0.001 | ||
| Hypertension | 0.96 (0.92–1.02) | 0.2 | ||