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Table 1 Patient characteristics at ICU admission

From: Is COPD associated with increased risk for microaspiration in intubated critically ill patients?

  COPD p value
Yes (n = 70) No (n = 445)
Age (years) 67 [60–74] 62 [51–72] 0.012
Male gender 58 (83) 228 (51) 0.040
SAPS II 45 (34, 57) 51 (40, 63) 0.039
Location before ICU admission    0.12
 Home 45 (64) 228 (51)  
 Ward 23 (33) 201 (45)  
 Other ICUs 2 (3) 16 (4)  
McCabe score    0.002
 1 30 (43) 288 (65)  
 2 33 (47) 129 (29)  
 3 7 (10) 28 (6)  
Comorbidities
 Diabetes mellitus 22 (31) 109 (24) 0.22
 Chronic cardiac failure 24 (34) 79 (18) 0.002
 Cirrhosis 1 (1) 38 (9) 0.06
 Chronic renal failure 7 (10) 39 (9) 0.91
 Gastro-esophageal reflux 3 (4) 25 (6) 0.86
 Immunosuppression 8 (11) 79 (18) 0.25
Cause for ICU admission     < 0.001
 Acute respiratory failure 50 (71) 155 (35)  
 Acute respiratory distress syndrome 5 (7) 52 (12)  
 Shock 11 (16) 105 (24)  
 Pneumonia 14 (20) 67 (15)  
 Congestive heart failure 0 (0) 6 (1)  
 Neurological failure 3 (4) 88 (20)  
 Intoxication 1 (1) 16 (4)  
 Trauma 0 (0) 5 (1)  
 Post-operative 0 (0) 9 (2)  
 Cardiac arrest 0 (0) 22 (5)  
 Other 2 (3) 20 (4)  
  1. Data are median (IQ), or number (%)
  2. COPD, chronic obstructive pulmonary disease; SAPS, simplified acute physiology score; ICU, intensive care unit