Background
Methods
Data sources
Study population
Recorded clinical features
Patient-level data
Occupancy data
Outcome
Statistical analysis
Results
Occupancy | ||||
---|---|---|---|---|
0–45% | 45–85% | 85–100% | Overall | |
(n = 1602) | (n = 4442) | (n = 1089) | (n = 7133) | |
Age in years | ||||
Median [IQR] | 60 [51, 69] | 60 [51, 69] | 60 [52, 68] | 60 [51, 69] |
Time in days to ICU from hospital admission | ||||
Median [IQR] | 1 [0, 4] | 1 [0, 3] | 1 [0, 3] | 1 [0, 3] |
Age group | ||||
18–24 | 13 (0.8) | 45 (1.0) | 11 (1.0) | 69 (1.0) |
25–34 | 71 (4.4) | 148 (3.3) | 37 (3.4) | 256 (3.6) |
35–44 | 134 (8.4) | 365 (8.2) | 81 (7.4) | 580 (8.1) |
45–54 | 331 (20.7) | 894 (20.1) | 227 (20.8) | 1452 (20.4) |
55–64 | 443 (27.7) | 1381 (31.1) | 340 (31.2) | 2164 (30.3) |
65–74 | 393 (24.5) | 1084 (24.4) | 293 (26.9) | 1770 (24.8) |
75–84 | 193 (12.0) | 452 (10.2) | 87 (8.0) | 732 (10.3) |
85+ | 24 (1.5) | 73 (1.6) | 13 (1.2) | 110 (1.5) |
Sex | ||||
Female | 545 (34.0) | 1402 (31.6) | 320 (29.4) | 2267 (31.8) |
Male | 1057 (66.0) | 3040 (68.4) | 769 (70.6) | 4866 (68.2) |
Ethnicity | ||||
White | 1088 (67.9) | 2628 (59.2) | 506 (46.5) | 4222 (59.2) |
Asian subcontinent | 120 (7.5) | 466 (10.5) | 137 (12.6) | 723 (10.1) |
Asian (other) | 75 (4.7) | 260 (5.9) | 85 (7.8) | 420 (5.9) |
Black | 61 (3.8) | 286 (6.4) | 113 (10.4) | 460 (6.4) |
Mixed | 14 (0.9) | 77 (1.7) | 37 (3.4) | 128 (1.8) |
Other | 76 (4.7) | 264 (5.9) | 69 (6.3) | 409 (5.7) |
Missing | 168 (10.5) | 461 (10.4) | 142 (13.0) | 771 (10.8) |
Obesity | ||||
Obese | 652 (40.7) | 1766 (39.8) | 454 (41.7) | 2872 (40.3) |
Non-obese | 520 (32.5) | 1665 (37.5) | 312 (28.7) | 2497 (35.0) |
Missing | 430 (26.8) | 1011 (22.8) | 323 (29.7) | 1764 (24.7) |
Comorbidity | ||||
Diabetes | 366 (22.8) | 1184 (26.7) | 304 (27.9) | 1854 (26.0) |
Chronic respiratory disease(s) | 378 (23.6) | 902 (20.3) | 226 (20.8) | 1506 (21.1) |
Chronic heart disease | 194 (12.1) | 548 (12.3) | 103 (9.5) | 845 (11.8) |
Chronic renal disease | 124 (7.7) | 384 (8.6) | 78 (7.2) | 586 (8.2) |
Chronic neurological disease | 105 (6.6) | 216 (4.9) | 37 (3.4) | 358 (5.0) |
Chronic liver disease | 81 (5.1) | 91 (2.0) | 18 (1.7) | 190 (2.7) |
Immunosuppressive disease | 61 (3.8) | 146 (3.3) | 20 (1.8) | 227 (3.2) |
Hypertension | 534 (33.3) | 1576 (35.5) | 328 (30.1) | 2438 (34.2) |
Invasive mechanical ventilation | ||||
Proportion ventilated | 699 (43.6) | 2296 (51.7) | 666 (61.2) | 3661 (51.3) |
Mortality | ||||
Crude (unadjusted, absolute) | 522 (32.6) | 1654 (37.2) | 461 (42.3) | 2637 (37.0) |