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Table 4 Clinical characteristics on admission of all patients with and without sleep disturbances (n = 911)

From: Prevalence of sleep disturbances and long-term reduced health-related quality of life after critical care: a prospective multicenter cohort study

  Sleep disturbances (n = 419) No sleep disturbances (n = 471) P value
Age (years)a 55.7 (18.4) 60.2 (18.0) 0.419
Gender (male/female) (%) 44.9/50.0 55.1/50.0 0.077
APACHE II scoreb 15.2 (14.4 to 16.0) 15.7 (15.0 to 16.4) 0.525
Duration of stay in ICU (hours)c 122.7 (55.0) 126.0 (60.3) 0.878
Duration of stay in hospital (days)c 15.2 (9.0) 15.2 (9.0) 0.739
Diagnosis on admissiond    0.067
   Multiple trauma 49 (11.7) 51 (10.8)  
   Sepsis 38 (9.1) 38 (8.1)  
   Gastrointestinal 80 (19.1) 101 (21.4)  
   Respiratory 84 (20.0) 98 (20.8)  
   Cardiovascular 29 (6.9) 57 (12.1)  
   Miscellaneous 139 (33.2) 126 (26.8)  
  1. Data are given as amean (standard deviation), bmean (95% confidence interval), cmean and median (standard deviation) or dn (%). APACHE II, Acute Physiology and Chronic Health Evaluation.