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Table 2 Characteristics of adults discharged alive from ICU during weekday/daytime as compared to nights/weekends

From: Mortality associated with timing of admission to and discharge from ICU: a retrospective cohort study

Factor 08:00-17:59 Monday to Friday (n = 4,558) 18:00-07:59 daily and anytime Saturday or Sunday (n = 1,434) P-value
Median (IQR) age years 64 (52-76) 62 (48-75) <0.0001
Male gender 2749 (60%) 847 (59%) 0.40
Median admission (IQR) SAPS II 39 (27-56) 41 (28-56) 0.0106
Discharge DFLST status 233 (5%) 61 (4%) 0.21
Discharge SOFA 2 (1-4) 2 (1-4) 0.14
Median (IQR) ICU LOS 3 (1-7) 2 (1-5) <0.0001
Medical-surgery category    <0.001
   Medical 3409 (75%) 1132 (79%)  
   Non-scheduled surgery 560 (12%) 167 (12%)  
Scheduled surgery 589 (13%) 135 (9%)  
Main discharge diagnostic category    <0.001
   Respiratory 1062 (23%) 291 (20%)  
   Cardiovascular 497 (11%) 176 (12%)  
   Neuromuscular 611 (13%) 184 (13%)  
   Gastrointestional 633 (14%) 206 (14%)  
   Other surgery 551 (12%) 129 (9%)  
   Renal, metabolic,toxic 716 (16%) 284 (20%)  
   Infectious 407 (9%) 133 (9%)  
   Other 81 (2%) 31 (2%)  
Knaus comorbidities    
   hepatic 279 (6%) 77 (5%) 0.32
   cardiovascular 539 (12%) 162 (11%) 0.61
   respiratory 569 (12%) 155 (11%) 0.094
   renal 279 (6%) 93 (6%) 0.62
   immune 638 (14%) 221 (15%) 0.20
  1. Decision to forego life sustaining therapy (DFLST)