| Variable name | Overall n = 14,265 | Daytime hours (08:00–16:59) n = 4,352 | Nighttime hours (17:00–07:59) n = 9,913 | value |
| Total ICU cost, mean (SD) | 27,170 (43,163) | 28,809 (49,945) | 26,450 (39,805) | 0.003 | All hospital total cost, mean (SD) | 39,038 (60,133) | 40,389 (67,934) | 38,445 (56,363) | 0.076 | All hospital direct cost, mean (SD) | 29,440 (45,497) | 30,444 (51,387) | 28,999 (42,651) | 0.081 |
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