TABLE 3.
Patient Characteristics Stratified by Cluster
| N = 24,279 | Low-Performing Hospitals (n = 5,887) |
Average-Performing Hospitals (n = 6,763) |
High-Performing Hospitals (n = 11,629) |
p value |
|---|---|---|---|---|
| Age in years at admission | ||||
| Mean (SD) | 76.35 (7.49) | 76.54 (7.62) | 76.83 (7.64) | <0.001 |
| Median (range) | 76.0 (65.0–101.0) | 76.0 (65.0–99.0) | 77.0 (65.0–101.0) | <0.001 |
| Van Walraven Comorbidity score | ||||
| n (n Missing) | 5,887 (0) | 6,763 (0) | 1,1629 (0) | |
| Mean (SD) | 5.99 (7.43) | 5.66 (7.18) | 5.93 (7.36) | <0.021 |
| Median (range) | 5.0 (−11.0–42.0) | 4.0 (−14.0–41.0) | 5.0 (−14.0–42.0) | <0.06 |
| Indicator of sex | ||||
| Missing | 31 (0.53%) | 22 (0.33%) | 19 (0.16%) | 0.91 |
| Male | 2,605 (44.48%) | 2,981 (44.22%) | 5,171 (44.54%) | |
| Female | 3,251 (55.52%) | 3,760 (55.78%) | 6,439 (55.46%) | |
| Race | ||||
| Missing | 211 (3.58%) | 229 (3.39%) | 233 (2.00%) | <0.001 |
| White | 2,816 (49.61%) | 4,713 (72.13%) | 8,174 (71.73%) | |
| Black | 454 (8.00%) | 144 (2.20%) | 468 (4.11%) | |
| Other | 2,406 (42.39%) | 1,677 (25.67%) | 2,754 (24.17%) | |
| Payer status | ||||
| Missing | 0 (0.00%) | 0 (0.00%) | 0 (0.00%) | <0.001 |
| Medicare | 4,900 (83.23%) | 5,933 (87.73%) | 9,986 (85.87%) | |
| Medicaid | 373 (6.34%) | 294 (4.35%) | 309 (2.66%) | |
| Private insurance | 539 (9.16%) | 458 (6.77%) | 1,237 (10.64%) | |
| Other | 75 (1.27%) | 78 (1.15%) | 97 (0.83%) | |