| | Variable name | Overall n = 14,265 (100%) | Daytime hours (08:00–16:59) n = 4,352 (30.3%) | Nighttime hours (17:00–07:59) n = 9,913 (69.5%) | value |
| | Invasive mechanical ventilation, n (%) | 6,293 (44.1) | 1,967 (45.2) | 4,326 (43.6) | 0.084 | | Dialysis, n (%) | 1,284 (9.0) | 425 (9.8) | 859 (8.7) | 0.035 | | ICU LOS days, mean (SD) | 7.3 (11.6) | 8.0 (14.1) | 7.1 (10.2) | <0.001 | | Duration of invasive mechanical ventilation, days, mean (SD) | 3.4 (7.) | 3.8 (9.0) | 3.2 (6.2) | <0.001 | | Mortality, total, n (%) | 3,021 (21.2) | 978 (22.5) | 2,043 (20.6) | 0.012 | | Mortality at ICU, n (%) | 2570 (18.0) | 836 (19.2) | 1734 (17.5) | 0.662 | | Discharged home with no support services, n (%) | 5,094 (35.7) | 1,493 (34.3) | 3,601 (36.3) | 0.020 | | Discharged home, support services required, n (%) | 2,326 (16.3) | 613 (14.1) | 1,713 (17.3) | <0.001 | | Transferred to an acute care inpatient institution, n (%) | 1,856 (13.0) | 617 (14.2) | 1,239 (12.5) | 0.006 | | Transferred to continuing care, n (%) | 1,787 (12.5) | 588 (13.5) | 1,199 (12.1) | 0.019 | | Patient safety indicators, n (%) | | | | | | Any adverse event | 5,005 (35.1) | 1,391 (32.0) | 3,614 (36.5) | <0.001 | | Cardiac complication | 1160 (8.1) | 315 (7.2) | 845 (8.5) | 0.010 | | Drug-related adverse event | 193 (1.4) | 57 (1.3) | 136 (1.4) | 0.767 | | Traumatic injury arising in hospital | 45 (0.3) | 13 (0.3) | 32 (0.3) | 0.813 | | Hospital acquired infection | 2,279 (16.0) | 666 (15.3) | 1,613 (16.3) | 0.146 | | Surgical complication | 779 (5.5) | 176 (4.0) | 603 (6.1) | <0.001 | | Death in low risk patients | 96 (0.7) | 33 (0.8) | 63 (0.6) | 0.409 |
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