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Table 3 Primary and secondary outcomes

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

  COPD p value
Yes (n = 70) No (n = 445)
Primary outcome
 Abundant microaspiration 62 (89) 366 (82) 0.25
Secondary outcomes
 Abundant microaspiration of gastric contents 37 (53) 201 (45) 0.28
 Abundant microaspiration of oropharyngeal secretions 50 (71) 318 (71) 0.99
 Ventilator-associated pneumonia 13 (19) 97 (22) 0.65
 Duration of mechanical ventilation, d 11 (6, 18) 8 (5, 17) 0.39
 ICU length of stay, d 14 (8, 23) 13 (8, 23) 0.50
 ICU mortality 17 (24) 124 (28) 0.63
  1. Data are median (IQ), or number (%)