Table 2.
Adjusted rates of death per 1000 hospital episodes (95% CI)
| Variable/Year | Death with 7 days | Death within 30 days | Death at hospital | |||
| All | 26.3 | (23.2 to 29.3) | 57.2 | (52.9 to 61.5) | 76.3 | (71.5 to 81.1) |
| Sex | ||||||
| Male | 25.1 | (20.8 to 29.4) | 55.4 | (49.3 to 61.4) | 75.3 | (68.5 to 82.0) |
| Female | 27.4 | (23.1 to 31.6) | 59.1 | (52.9 to 65.2) | 77.3 | (70.4 to 84.3) |
| Age (years) | ||||||
| 17–29 | 2.7 | (−1.1 to 6.5) | 7.4 | (0.1 to 14.8) | 12.1 | (2.5 to 21.6) |
| 30–39 | 3.5 | (−0.5 to 7.4) | 12.8 | (4.4 to 21.2) | 18.1 | (7.9 to 28.3) |
| 40–49 | 11.9 | (5.5 to 18.4) | 16.9 | (8.7 to 25.0) | 25.2 | (15.1 to 35.3) |
| 50–59 | 12.4 | (6.8 to 18.1) | 24.4 | (16.5 to 32.3) | 35.6 | (26.2 to 45.1) |
| 60–69 | 23.5 | (17.0 to 30.0) | 46.3 | (37.6 to 54.9) | 59.2 | (49.7 to 68.6) |
| 70–79 | 37.9 | (30.4 to 45.5) | 74.4 | (64.5 to 84.4) | 102.7 | (91.5 to 113.9) |
| 80+ | 56.3 | (44.8 to 67.9) | 121.0 | (105.8 to 136.1) | 149.1 | (133.0 to 165.3) |
| Admission source | ||||||
| Home | 25.7 | (22.5 to 28.8) | 56.1 | (51.6 to 60.6) | 75.5 | (70.4 to 80.6) |
| Other hospitals | 26.3 | (14.9 to 37.8) | 58.7 | (42.9 to 74.4) | 79.3 | (61.4 to 97.2) |
| Nursing homes | 43.8 | (21.8 to 65.8) | 82.8 | (56.4 to 109.2) | 90.0 | (63.4 to 116.7) |
| Charlson Comorbidity Index | ||||||
| 0 | 21.1 | (17.2 to 25.0) | 33.3 | (28.5 to 38.1) | 40.2 | (35.0 to 45.5) |
| 1–3 | 30.1 | (15.4 to 44.9) | 55.4 | (35.9 to 74.8) | 69.6 | (48.0 to 91.2) |
| 4–6 | 36.0 | (22.6 to 49.4) | 77.3 | (57.9 to 96.7) | 95.9 | (74.6 to 117.1) |
| 7–9 | 31.3 | (19.1 to 43.6) | 75.0 | (55.8 to 94.1) | 100.0 | (78.4 to 121.7) |
| 10+ | 31.5 | (24.9 to 38.1) | 91.9 | (81.0 to 102.8) | 133.7 | (120.8 to 146.5) |
| Procedure complexity | ||||||
| Intermediate | 10.6 | (−2.5 to 23.8) | 29.0 | (5.1 to 52.8) | 33.0 | (9.5 to 56.5) |
| Major | 26.4 | (22.6 to 30.2) | 56.1 | (51.0 to 61.3) | 75.5 | (69.7 to 81.2) |
| Complex major | 30.3 | (22.5 to 38.1) | 67.2 | (56.5 to 78.0) | 87.7 | (76.0 to 99.4) |
| Organ system | ||||||
| Abdominal wall | 20.8 | (−7.9 to 49.4) | 38.2 | (3.7 to 72.7) | 49.8 | (11.2 to 88.5) |
| Colorectal | 26.7 | (23.5 to 29.8) | 58.2 | (53.6 to 62.7) | 77.5 | (72.5 to 82.5) |
| General | 7.4 | (−7.2 to 22.0) | 10.5 | (−10.2 to 31.3) | 10.6 | (−10.2 to 31.4) |
| Primary diagnosis | ||||||
| Gastrointestinal | 17.7 | (12.0 to 23.4) | 41.3 | (32.7 to 50.0) | 58.9 | (48.6 to 69.2) |
| General | 65.6 | (55.8 to 75.3) | 113.3 | (101.1 to 125.4) | 149.3 | (136.0 to 162.7) |
| Hernia/Obstruction | 15.0 | (10.4 to 19.6) | 43.5 | (35.8 to 51.2) | 54.4 | (45.9 to 62.9) |
| Malignancy | 9.4 | (5.8 to 12.9) | 34.1 | (27.7 to 40.6) | 47.9 | (40.5 to 55.2) |