Table 3.
Summary of 2 Series of Models on the interactive effects of race and hospital completion on ER visits, hospitalizations, Medicare expenditure, all-cause mortality and cancer-specific mortality,a for localized prostate cancer patients, n = 253,176
| Model 1: Main Effects | Model 2: Model 1 Plus Interaction | |
|---|---|---|
| Short-term outcomes | ||
| ER visit | IRR (95% CI)b | IRR (95% CI)b |
| Race (African American) | 1.16 (1.14, 1.18) | 1.05 (1.02, 1.07) |
| HHI score | 1.17 (1.15, 1.19) | 1.24 (1.22, 1.27) |
| HHI x African American | 1.19 (1.15, 1.23) | |
| Hospitalization | IRR (95% CI)b | IRR (95% CI)b |
| Race (African American) | 1.09 (1.08, 1.11) | 1.08 (1.05, 1.10) |
| HHI score | 1.03 (1.01, 1.09) | 1.00 (0.98, 1.02) |
| HHI x African American | 1.03 (1.00, 1.07) | |
| Medicare expenditure | eβ (95% CI) c | eβ (95% CI)c |
| Race (African American) | 1.01 (0.98, 1.02) | 1.02 (0.98, 1.06) |
| HHI score | 1.08 (1.05, 1.10) | 1.06 (1.03, 1.09) |
| HHI x African American | 0.96 (0.91, 1.02) | |
| All-cause Mortality | HR (95% CI)d | HR (95% CI)d |
| Race (African American) | 1.05 (1.01, 1.09) | 1.23 (1.14, 1.32) |
| HHI score | 1.03 (0.99, 1.07) | 1.07 (1.03, 1.11) |
| HHI x African American | 0.83 (0.75, 0.91) | |
| Prostate Cancer-specific Mortality | HR (95% CI)d | HR (95% CI)d |
| Race (African American) | 1.30 (1.21, 1.41) | 1.61 (1.39, 1.89) |
| HHI score | 0.95 (0.87, 1.04) | 1.02 (0.92, 1.13) |
| HHI x African American | 0.71 (0.57, 0.88) | |
| Long-term outcomes | ||
| All-cause Mortality | HR (95% CI)d | HR (95% CI)d |
| Race (African American) | 1.05 (1.03, 1.06) | 1.09 (1.06, 1.12) |
| HHI score | 1.09 (1.08, 1.11) | 1.10 (1.08, 1.12) |
| HHI x African American | 1.03 (1.01, 1.08) | |
| Prostate Cancer-specific Mortality | HR (95% CI)d | HR (95% CI)d |
| Race (African American) | 1.27 (1.26, 1.32) | 1.32 (1.23, 1.43) |
| HHI score | 1.05 (1.01, 1.09) | 1.07 (1.02, 1.12) |
| HHI x African American | 0.99 (0.89, 1.10) | |
aWeighted by propensity score. All models were also adjusted for age, marital status, Charlson comorbidity score, grade and treatment
bIRR Incidence rate ratio
ceβ exponent of beta estimate; d HR Hazard ratio