Demographics and characteristics of study population and time to operating room
| n | 1199 |
| Age, median (IQR) | 63 (49–73) |
| Sex, female, n (%) | 617 (51.5) |
| Frailty, n (%) | 523 (43.7) |
| SOFA score, median (IQR) | 1 (1–3) |
| Initial HR, median (IQR) | 90 (75–103) |
| Initial white cell count, median (IQR) | 9.6 (7–13.3) |
| SBP low, median (IQR) | 83 (74–92) |
| Temperature high, median (IQR) | 37.11 (36.83) |
| Temperature low, median (IQR) | 35.4 (34–36) |
| RR high, median (IQR) | 26 (22–32) |
| Laparotomy, n (%) | 615 (51.4) |
| Transfer, n (%) | 384 (32.1) |
| Sepsis, n (%) | 190 (15.9) |
| Ventilator, n (%) | 65 (5.4) |
| EGS diagnosis, n (%) | |
| Incarcerated hernia | 218 (21.2) |
| Volvulus | 25 (2.4) |
| Toxic Clostridium difficile | 42 (4.1) |
| Perforated SB | 96 (9.3) |
| Ischemic bowel | 75 (7.3) |
| NSTI | 171 (16.6) |
| Perforated LB | 99 (9.6) |
| Bowel obstruction | 59 (5.7) |
| Surgical rescue | 148 (14.4) |
| In-hospital mortality, n (%) | 75 (6.27) |
| 30-day mortality, n (%) | 87 (7.27) |
EGS, emergency general surgery; HR, heart rate; LB, large bowel; NSTI, Necrotizing soft tissue infection; RR, respiratory rate; SB, small bowel; SBP, systolic blood pressure; SOFA, Sequential Organ Failure Assessment.