Primary ICU admission diagnosis categories for non-trauma surgical patients (n=536)
| ICU admission diagnosis | n | % |
| Respiratory | 195 | 36.38 |
| Cardiovascular | 139 | 25.93 |
| Infectious | 128 | 23.88 |
| Gastrointestinal | 127 | 23.69 |
| Neurological | 106 | 19.78 |
| Monitoring | 89 | 16.60 |
| Renal | 63 | 11.75 |
| Metabolic | 50 | 9.33 |
| Hematological | 41 | 7.65 |
| Psychiatric | 3 | 0.56 |
Categories are not mutually exclusive.
ICU, intensive care unit.