Overview of study participants
| BRM | CABG | TKR | |
|---|---|---|---|
| Surgeon | |||
| Attending surgeons (n) | 8 | 9 | 13 |
| Mean experience, years (SD) | 11.3 (4.5) | 9.7 (5.9) | 14.5 (3.8) |
| Minimum–maximum experience (years) | 1–19 | 1–19 | 1–19 |
| Median volume of cases | 61 | 290 | 99 |
| Range of cases | 11–502 | 52–973 | 10–1871 |
| Patients | |||
| Total number of cases | 1052 | 3254 | 3325 |
| Mean patient age, years (SD) | 36.4 (12.4) | 65.8 (10.4) | 66.0 (11.2) |
| Female sex (%) | 100 | 23.7 | 69.0 |
| Mean size of breast reduction (SD) | 1681.3 (934.4) | – | – |
| Coronary artery disease (%) | 2.3 | 100.0 | 21.4 |
| Chronic obstructive pulmonary disease (%) | 12.9 | 9.9 | 6.4 |
| Diabetes mellitus (%) | 5.6 | 38.0 | 17.9 |
| Obesity (%) | 33.1 | 34.9 | 25.9 |
| Smoking history (%) | 6.6 | 41.6 | 15.9 |
| Cardiac heart failure (%) | – | 24.2 | – |
| Preoperative cardiogenic shock (%) | – | 2.3 | – |
BRM, bilateral reduction mammoplasty; CABG, coronary artery bypass grafting; TKR, total knee replacement.