Table 3.
Admission to high- and low-quality hospitals for African American patients compared with Caucasian patients*
| Hospitals | Adjusted odds ratio | 95% confidence interval | p Value |
|---|---|---|---|
| High-quality hospitals | |||
| < 20th percentile | 1.07 | 0.93–1.24 | 0.34 |
| < 25th percentile | 0.82 | 0.73–0.92 | < 0.0001 |
| < 33rd percentile | 0.89 | 0.82–0.97 | 0.009 |
| Low-quality hospitals | |||
| > 80th percentile | 1.28 | 1.18–1.41 | < 0.0001 |
| > 75th percentile | 1.19 | 1.10–1.29 | < 0.0001 |
| > 67th percentile | 1.02 | 0.96–1.10 | 0.46 |
* Separate multinomial logistic regression models adjusted for age, gender, rural/urban residence, travel distance, education, household income, comorbidities, and high-risk conditions related to TKA (Table 2).