Table 1 Baseline characteristics of survivors in medical and surgical intensive care units
Characteristic | Medical | Surgical | ||
|---|---|---|---|---|
No unplanned readmission | Unplanned readmission | No unplanned readmission | Unplanned readmission | |
(n = 141,840) | (n = 5583) | (n = 328,086) | (n = 11,142) | |
Hospital characteristics | ||||
Teaching, n (%) | 23,329 (17.2) | 794 (14.9) | 100,516 (31.9) | 2840 (26.6) |
Size, n (%) | ||||
< 399 beds | 49,826 (36.7) | 2012 (37.7) | 74,587 (23.7) | 2654 (24.9) |
400–799 beds | 62,135 (45.8) | 2568 (48.1) | 154,905 (49.2) | 5575 (52.2) |
> 800 beds | 23,715 (17.5) | 759 (14.2) | 85,576 (27.2) | 2451 (22.9) |
Age, mean (SD), year | 69.7 (14.4) | 70.1 (14.2) | 68.2 (14.3) | 68.7 (14.2) |
Men, n (%) | 89,565 (63.1) | 3450 (61.8) | 193,766 (59.1) | 7109 (63.8) |
BMI, mean (SD) | 22.9 (4.4) | 22.2 (4.2) | 22.7 (4.3) | 22.4 (4.0) |
CCI, median (IQR) | 1 (0–2) | 1 (0–2) | 1 (0–2) | 1 (0–2) |
0, n (%) | 52,063 (36.7) | 1686 (30.2) | 137,257 (41.8) | 3836 (34.4) |
1, n (%) | 45,830 (32.3) | 1683 (30.1) | 87,625 (26.7) | 3040 (27.3) |
2, n (%) | 26,809 (18.9) | 1251 (22.4) | 56,597 (17.3) | 2146 (19.3) |
≥ 3, n (%) | 17,138 (12.1) | 963 (17.2) | 46,607 (14.2) | 2120 (19.0) |
Primary category of diagnosis on admission n (%) | ||||
Cardiac | 69,882 (49.3) | 2792 (50.0) | 49,981 (15.2) | 1807 (16.2) |
Respiratory | 8626 (6.1) | 549 (9.8) | 5853 (1.8) | 257 (2.3) |
Neurologic | 31,903 (22.5) | 799 (14.3) | 61,290 (18.7) | 1822 (16.4) |
Gastrointestinal | 4336 (3.1) | 252 (4.5) | 25,473 (7.8) | 1180 (10.6) |
Malignancy | 7158 (5.0) | 330 (5.9) | 138,309 (42.2) | 4645 (41.7) |
Metabolic and renal | 5055 (3.6) | 297 (5.3) | 6507 (2.0) | 329 (3.0) |
Other | 14,880 (10.5) | 564 (10.1) | 40,673 (12.4) | 1102 (9.9) |
Coma on admission, n (%) | 8697 (6.1) | 285 (5.1) | 6157 (1.9) | 198 (1.8) |
ICU stay, median (IQR), days | 2 (1–4) | 2 (1–5) | 1 (1–3) | 1 (1–3) |
Hospital stay, median (IQR), days | 18 (10–32) | 21 (12–37) | 22 (15–37) | 26 (17–44) |
1–15 days, n (%) | 62,371 (44.0) | 1936 (34.7) | 93,430 (28.5) | 2364 (21.2) |
16–30 days, n (%) | 41,160 (29.0) | 1823 (32.7) | 125,972 (38.4) | 4125 (37.0) |
31–45 days, n (%) | 16,266 (11.5) | 783 (14.0) | 49,191 (15.0) | 1994 (17.9) |
> 45 days, n (%) | 22,043 (15.5) | 1041 (18.6) | 59,493 (18.1) | 2659 (23.9) |
Discharge destination | ||||
Home, n (%) | 107,590 (75.9) | 4572 (81.9) | 276,386 (84.2) | 9821 (88.1) |
Other hospital, n (%) | 29,937 (21.1) | 698 (12.5) | 46,441 (14.2) | 1072 (9.6) |
Skilled nursing facility, n (%) | 3099 (2.2) | 230 (4.1) | 2458 (0.7) | 154 (1.4) |
Other, n (%) | 1214 (0.9) | 83 (1.5) | 2800 (0.9) | 95 (0.9) |