Table 1 Baseline patient data and characteristics of the referring ICU
Repatriation n = 2401 | Clinical transfers n = 7014 | Capacity transfers n = 1761 | |
|---|---|---|---|
Age, years mean (SD) | 60.3 (17.9) | 55.5 (18.9) | 63.1 (16.4) |
Male, n (%) | 1536 (64.0) | 4119 (58.7) | 1097 (62.3) |
Year of admission, n (% within year) | |||
2016 | 747 (19.9) | 2443 (65.1) | 565 (15.1) |
2017 | 811 (22.2) | 2282 (62.4) | 563 (15.4) |
2018 | 843 (22.4) | 2289 (60.8) | 633 (16.8) |
Hospital category of referring ICU, n (% of category) | |||
Local hospital | 368 (15.3) | 2819 (40.2) | 165 (9.4) |
District general hospital | 623 (26.0) | 2905 (41.4) | 475 (27.0) |
Tertiary care hospital | 1410 (58.7) | 1290 (18.4) | 1121 (63.7) |
Time in hospital before ICU admission days, mean (SD) | 2.7 (8.8) | 1.6 (20.5) | 3.0 (8.3) |
Length of stay on referring ICU, hours; median (IQR) | 47.6 (21.8–107.9) | 11.8 (3.1–32.0) | 48.2 (16.1–125.8) |
Source of admission to referring ICU, n (% within category) | |||
Emergency room | 771 (32.1) | 4548 (64.8) | 699 (39.7) |
Theatre or PACU | 425 (17.7) | 457 (6.5) | 236 (13.4) |
Ward | 441 (18.4) | 1654 (23.6) | 696 (39.5) |
Other hospital or ICU | 721 (30.0) | 270 (3.9) | 119 (6.8) |
Other source | 43 (1.8) | 85 (1.2) | 11 (0.6) |
Surgical status on referring ICU, n (% within category) | |||
Elective surgery | 193 (8.0) | 164 (2.3) | 107 (6.1) |
Emergency surgery | 440 (18.3) | 475 (6.8) | 223 (12.7) |
Without surgery | 1768 (73.6) | 6375 (90.9) | 1431 (81.3) |
Illness severity (SAPS3) on admission to referring ICU, score, mean (SD)a | |||
SAPS3 score Box 1 | 7.9 (4.7) | 7.0 (3.8) | 8.3 (4.8) |
SAPS3 score Box 2 | 27.7 (5.6) | 27.7 (4.7) | 28.5 (5.2) |
SAPS3 score Box 3 | 12.4 (10.1) | 10.8 (9.9) | 16.9 (10.1) |
SAPS3 total | 56.9 (14.7) | 53.0 (14.5) | 63.5 (14.6) |
SOFA-score at discharge, mean (SD)b | 4.9 (3.5) | 6.0 (4.1) | 6.5 (3.6) |
Time and day of discharge, n (% of category) | |||
Night-time discharge | 112 (4.7) | 1289 (18.4) | 333 (18.9) |
Weekend discharge | 467 (19.5) | 1777 (25.3) | 394 (22.4) |
Mortality | |||
30 days after ICU discharge, n (%) | 390 (16.2) | 1027 (14.6) | 441 (25.0) |
180 days after ICU discharge, n (%) | 561 (23.4) | 1468 (20.9) | 584 (33.2) |