Patient characteristics
| Characteristic | No. (%) of patients* n = 1507 |
|---|---|
| Age, yr, median (IQR) | 71 (60–81) |
| Sex, male | 767 (50.9) |
| ICU admission within past yr | 73 (4.8) |
| Admitting service | |
| General surgery | 350 (23.2) |
| Orthopedics | 437 (29.0) |
| Neurosurgery | 158 (10.5) |
| Thoracic surgery | 197 (8.6) |
| Trauma | 19 (8.6) |
| Vascular surgery | 199 (13.2) |
| Other | 215 (14.3) |
| Level of care designation | |
| Full care including ICU admission and CPR | 1164 (77.2) |
| Full care including ICU admission with no CPR | 83 (5.5) |
| Full care excluding ICU admission | 157 (10.4) |
| Reason for activation | |
| Airway concerns | 41 (2.7) |
| Respiratory | 271 (18.0) |
| Arrhythmias | 346 (23.0) |
| Decreased level of consciousness | 260 (17.3) |
| Hypotension | 231 (15.3) |
| Other | 314 (20.8) |
| Multiple RRT activations | 358 (23.8) |
| Emergent (nonelective) operation | 898 (59.6) |
| Multiple operations | 300 (19.9) |
| Elixhauser Comorbidity Index score, median (IQR) | 4 (0–0) |
| ASA class, median (IQR) | 3 (3–4) |
ASA = American Society of Anesthesiologists; CPR = cardiopulmonary resuscitation; ED = emergency department; ICU = intensive care unit; IQR = interquartile range; RRT = rapid response team.
↵* Unless indicated otherwise.