Classification of non-trauma surgical patients (n=536)
| Category | n | % |
| Abdominal | 184 | 34.33 |
| Neurological condition | 100 | 18.66 |
| Other general surgery | 80 | 14.93 |
| Vascular | 60 | 11.19 |
| Cardiac | 33 | 6.16 |
| Plastics or oral-maxillofacial surgery | 18 | 3.36 |
| Transplant | 18 | 3.36 |
| Orthopedic | 15 | 2.80 |
| Thoracic | 15 | 2.80 |
| Burns or inhalation injury | 7 | 1.31 |
| Obstetrics, gynecology, gyn-oncology | 6 | 1.12 |
Categories are mutually exclusive.