Table IV:
Patient Characteristics Stratified by Cluster
| N = 145901 | Low Performing Hospitals (N = 16033) |
Average Performing Hospitals (N = 57139) |
High Performing Hospitals (N = 72729) |
P Value | Effect Size Index |
|---|---|---|---|---|---|
| Age in years at admission | |||||
| N (N Missing) | 16033 (0) | 57139 (0) | 72729 (0) | ||
| Mean (SD) | 50.33 (20.32) | 50.45 (19.87) | 49.26 (19.57) | <0.001 | 0.00 |
| Median (Range) | 49.0 (18.0 – 99.0) | 49.0 (18.0 – 99.0) | 47.0 (18.0 – 101.0) | <0.001 | |
| Van Walraven Comorbidity Score | |||||
| N (N Missing) | 16033 (0) | 57139 (0) | 72729 (0) | ||
| Mean (SD) | 2.85 (6.39) | 2.29 (5.90) | 2.00 (5.64) | <0.001 | 0.00 |
| Median (Range) | 0.0 (−14.0 – 47.0) | 0.0 (−17.0 – 46.0) | 0.0 (−16.0 – 45.0) | <0.001 | |
| Indicator of sex | |||||
| Missing | 807 | 2526 | 2232 | 0.002 | 0.01 |
| Male | 6261 (41.12%) | 23231 (42.54%) | 29471 (41.80%) | ||
| Female | 8965 (58.88%) | 31382 (57.46%) | 41026 (58.20%) | ||
| Race | |||||
| Missing | 2441 | 7230 | 6960 | <0.001 | 0.06 |
| White | 6368 (46.85%) | 26720 (53.54%) | 32411 (49.28%) | ||
| Black | 1119 (8.23%) | 2573 (5.16%) | 3039 (4.62%) | ||
| Asian | 943 (6.94%) | 3648 (7.31%) | 3896 (5.92%) | ||
| Other | 5162 (37.98%) | 16968 (34.00%) | 26423 (40.18%) | ||
| Ethnicity | |||||
| Missing | 2505 | 7453 | 7156 | <0.001 | 0.05 |
| Hispanic | 4897 (36.20%) | 16123 (32.45%) | 24886 (37.95%) | ||
| Non-Hispanic | 8631 (63.80%) | 33563 (67.55%) | 40687 (62.05%) | ||
| Payer Status | |||||
| Missing | 1 | 10 | 8 | <0.001 | 0.08 |
| Medicare | 4613 (28.77%) | 15450 (27.04%) | 17459 (24.01%) | ||
| Medicaid | 4120 (25.70%) | 9137 (15.99%) | 13901 (19.12%) | ||
| Private insurance | 4643 (28.96%) | 24665 (43.17%) | 28192 (38.77%) | ||
| Other | 2656 (16.57%) | 7877 (13.79%) | 13169 (18.11%) | ||