Description of composite primary outcome in prespecified subgroups
| N (%, 95% CI) | |
| Sex | |
| Female | 2774 (19.9, 19.2 to 20.5) |
| Male | 2770 (25.4, 24.5 to 26.2) |
| Age group | |
| ≤18 years (children and adolescents) | 20 (11.9, 7.0 to 16.8) |
| >18 to 65 | 2149 (15.6, 15.0 to 16.2) |
| >65 to 80 | 1811 (26.8, 25.7 to 27.8) |
| >80 | 1564 (37.5, 36 to 39.0) |
| Case mix group | |
| Medicine | 3560 (33.1, 32.2 to 33.9) |
| Surgery | 1699 (16.4, 15.7 to 17.1) |
| Pregnancy and childbirth | 267 (7.4, 6.5 to 8.2) |
| Mental health | 18 (12.8, 7.3 to 18.3) |
| Type of surgical admission, n (%) | |
| Elective surgery | 677 (11.7, 10.9 to 12.5) |
| Urgent surgery | 1022 (22.3, 21.1 to 23.5) |
| Surgical admission <24 hours | 87 (9.2, 7.3 to 11.0) |
| Severity of illness | |
| Admission to intensive care unit | 967 (31.9, 30.2 to 33.5) |
| Infection alone and infection and organ dysfunction | 1076 (39.4, 37.5 to 41.2) |
| Infection alone and infection and organ dysfunction and ICU admission | 276 (47.7, 43.6 to 51.7) |
| Trauma+ICU | 77 (43.8, 36.4 to 51.1) |
| Traumatic brain injury | 49 (40.5, 31.8 to 49.2) |
| Traumatic brain injury+ICU | 34 (53.1, 40.9 to 65.4) |
| New dialysis within 90 days of index admission | 51 (57.30, 47.03 to 67.58) |
ICU, intensive care unit.