Table 1.
Patient demographics (N = 510)
| Patient characteristics | |
| Age | 60.7 (±15.5) |
| Height (cm) | 166.7 (±12.6) |
| Weight (kg) | 82.5 (±24.5) |
| BMI | 30.5 (±20.8) |
| Female | 303 (59.4%) |
| Surgical procedures | |
| Major abdominal | 113 (22.2%) |
| Minor abdominal | 9 (1.8%) |
| Gynecological | 46 (9.0%) |
| CNS neurosurgery | 24 (4.7%) |
| Other neurosurgery | 24 (4.7%) |
| Orthopedics | 95 (18.6%) |
| Spine | 48 (9.4%) |
| Thoracic | 55 (10.8%) |
| Vascular major | 19 (3.7%) |
| Vascular minor | 5 (1.0%) |
| Angiogram | 7 (1.4%) |
| Urology major | 32 (6.3%) |
| Urology minor | 19 (3.7%) |
| Other | 14 (2.7%) |
Data are reported as mean and SD or number and percentage, as appropriate.
BMI, body mass index; CNS, central nervous system.