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Table 1 Demographic and clinical characteristics of patients and controlsa

From: Risk factors and outcomes after unplanned extubations on the ICU: a case-control study

  UE Cases Controls  
Variables (n = 74) (n = 296) P value
Mean age, yr (± SD) 60.6 (± 14) 61.2 (± 16) 0.22
Males, n (%) 57 (77%) 188 (64%) 0.03
APACHE II score (± SD) 16.4 (± 8) 18.5 (± 8) 0.36
Type of admittanceb, n (%)
   Medical 34 (46%) 135 (46%) 0.82
   Planned surgery 30 (43%) 128 (43%) 0.79
   Urgent surgery 10 (14%) 33 (11%) 0.65
   Cardiovascular 39 (53%) 124 (42%) 0.85
Diagnostic category, n (%)
   Respiratory 17 (23%) 74 (25%) 0.33
   Sepsis 2 (3%) 12 (4%) 0.41
   Neurological 9 (12%) 39 (13%) 0.41
   Gastrointestinal 5 (7%) 33 (11%) 0.15
   Vascular 1 (1%) 6 (2%) 0.45
   Metabolism 1 (1%) 1 (0.3%) 0.56
   Hematological - 3 (1%) 0.99
   Renal - 3 (1%) 0.99
  1. aUE, unplanned extubation; APACHE II, Acute Physiology and Chronic Health Evaluation; SD, standard deviation; bType of admittance: Medical, no surgery in the week before intensive care unit admission; Planned surgery, planned surgery; Urgent surgery, immediate surgery where resuscitation, stabilization and physiological optimization simultaneously took place with surgery.