| Variables | Frequency | Percentage | |
| Genders | Females | 119 | 39.0 |
| Males | 186 | 61.0 | |
| Age, years | 16 - 39 | 88 | 28.9 |
| 40 - 59 | 126 | 41.3 | |
| ≥60 | 91 | 29.8 | |
| BMI, kg/m2 | <19.5 | 71 | 23.3 |
| 19.5 - 24.9 | 88 | 28.9 | |
| 25.0 - 29.9 | 91 | 29.8 | |
| >30.0 | 55 | 18 | |
| Surgery type | |||
| Cardiac surgery | 102 | 33.5 | |
| Major Vascular | 90 | 29.5 | |
| Intermediate | 15 | 4.9 | |
| Minor | 98 | 32.1 |