Surgery-specific volumes, delayed discharge, length of hospital stay and mortality
| Type of surgery | No. of procedures | No. of hospitals | No. (%) of patients with ALC* | Type of care; length of stay, d, median (IQR) | Mortality time frame; no. (%) of patients | |||
|---|---|---|---|---|---|---|---|---|
| Acute | ALC* | Total in hospital | 30-d | 1-yr | ||||
| Elective | ||||||||
| AAA repair | 16 049 | 29 | 345 (2.1) | 6 (3–8) | 5 (2–9) | 6 (3–8) | 332 (2.1) | 973 (6.1) |
| Joint replacement | 356 581 | 70 | 10 546 (3.0) | 3 (3–5) | 3 (1–5) | 3 (3–5) | 678 (0.2) | 3938 (1.1) |
| Lower GI | 70 959 | 91 | 1487 (2.1) | 6 (4–9) | 5 (3–11) | 6 (4–9) | 1085 (1.5) | 4161 (5.9) |
| Nephrectomy | 17 051 | 53 | 151 (0.9) | 4 (3–6) | 6 (3–12) | 4 (3–6) | 119 (0.7) | 912 (5.3) |
| Cardiac | 53 579 | 12 | 1687 (3.1) | 7 (5–9) | 3 (2–6) | 7 (5–9) | 943 (1.8) | 2233 (4.2) |
| Lung | 25 065 | 33 | 218 (0.9) | 4 (3–7) | 6 (3–9) | 4 (3–7) | 330 (1.3) | 2491 (9.9) |
| Neurosurgery | 7643 | 12 | 488 (6.4) | 3 (2–6) | 5 (2–10) | 4 (2–6) | 192 (2.5) | 2264 (29.6) |
| Peripheral arterial disease | 13 958 | 58 | 1303 (9.3) | 5 (3–8) | 5 (3–11) | 5 (3–9) | 319 (2.3) | 1677 (12.0) |
| Spine | 34 897 | 23 | 2052 (5.9) | 3 (2–5) | 3 (1–6) | 3 (2–6) | 120 (0.3) | 674 (1.9) |
| Total | 595 782 | 95 | 18 277 (3.1) | 4 (3–6) | 3 (2–6) | 4 (3–6) | 4118 (0.7) | 19 323 (3.2) |
| Emergency | ||||||||
| AAA repair | 3273 | 29 | 255 (7.8) | 9 (5–16) | 8 (4–16) | 10 (5–17) | 581 (17.8) | 864 (26.4) |
| Hip fixation | 24 156 | 69 | 7331 (30.3) | 7 (5–11) | 6 (3–14) | 8 (6–15) | 1682 (7.0) | 5321 (22.0) |
| Joint replacement | 45 220 | 68 | 14 156 (31.3) | 8 (5–13) | 6 (3–13) | 9 (6–16) | 3324 (7.4) | 10 131 (22.4) |
| Lower GI | 31 290 | 83 | 3363 (10.7) | 11 (7–19) | 8 (3–18) | 12 (7–21) | 3359 (10.7) | 7499 (24.0) |
| Transplant | 7940 | 7 | 350 (4.4) | 10 (7–18) | 7 (4–14) | 10 (7–18) | 144 (1.8) | 493 (6.2) |
| Cardiac | 33 433 | 12 | 1269 (3.8) | 11 (8–17) | 4 (2–8) | 11 (8–17) | 1335 (4.0) | 2614 (7.8) |
| Neurosurgery | 13 814 | 12 | 1976 (14.3) | 7 (4–13) | 7 (3–17) | 7 (4–14) | 1468 (10.6) | 4573 (33.1) |
| Peripheral arterial disease | 12 220 | 58 | 4135 (33.8) | 14 (8–24) | 8 (4–20) | 16 (9–30) | 1202 (9.8) | 3619 (29.6) |
| Spine | 9132 | 24 | 2610 (28.6) | 10 (6–18) | 6 (3–13) | 12 (7–22) | 351 (3.8) | 1499 (16.4) |
| Total | 180 478 | 86 | 35 445 (19.6) | 9 (6–16) | 6 (3–14) | 10 (7–18) | 13 446 (7.5) | 36 613 (20.3) |
Note: AAA = abdominal aortic aneurysm, ALC = alternate level of care, GI = gastrointestinal, IQR = interquartile range.
↵* The ALC code was used to define patients with delayed discharge.