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Table 3 Respiratory microbiology

From: Nebulized heparin is associated with fewer days of mechanical ventilation in critically ill patients: a randomized controlled trial

  Positive culture at enrollment P value New positive culture following enrollment P value
  Placebo
N = 25
Heparin
N = 25
  Placebo
N = 25
Heparin
N = 25
 
Respiratory cultures, number (percentage)       
   Pathogen detected 11 (44) 5 (20) 0.07 12 (48) 9 (36) 0.4
   Gram-positive 4 (16) 1 (4) 0.4 1 (4) 2 (8) 0.5
   Gram-negative 5 (20) 1 (4) 0.2 6 (24) 5 (20) 0.7
   Yeast/fungus 3 (12) 1 (4) 0.6 7 (28) 3 (7) 0.2
   Legionella pneumonia 1 (4) 0 1 0 0  
   H1N1 polymerase chain reaction 1 (4) 2 (8) 1 0 0  
  1. Pulmonary lavage was undertaken at enrollment and on study days 1, 2, 4, 8, and 14 if the patient remained ventilated and sedated.