Variable | Surgeon volume | Hospital volume | ||||
---|---|---|---|---|---|---|
Low | Medium | High | Low | Medium | High | |
Percentile | < 40 | 40–80 | > 80 | < 40 | 40–80 | > 80 |
No. of providers | 142 | 122 | 65 | 38 | 34 | 18 |
No. patients/yr | < 9 | 9–27 | > 27 | < 42 | 42–107 | > 107 |
Total no. of patients | 289 | 1269 | 2087 | 474 | 1471 | 1700 |
Mean hospital volume | 75.8 | 75.2 | 172.5 | |||
Mean surgeon volume | 16.2 | 32.2 | 78.2 |