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Table 5 Complications observed during the study

From: Noninvasive mechanical ventilation may be useful in treating patients who fail weaning from invasive mechanical ventilation: a randomized clinical trial

  NPPV (n = 28) IMV (n = 37) P value
Complications, number (percentage) 8 (28.6%) 28 (75.7%) < 0.001
Type of complication, number (percentage)    
   Pneumonia 1 (3.6%) 17 (45.9%) < 0.001
   Sepsis 2 (7.1%) 7 (18.9%) 0.28
   Congestive heart failure 6 (21.4 %) 12 (32.4%) 0.41
   Tracheotomy 0 (0%) 7 (18.9%) 0.01
   Return to IMV 6 (21.4%) -  
   Skin necrosis 1 (3.6%) -  
  1. Values are mean ± standard deviation or number (percentage). P value indicates comparison between groups using chi-square test. IMV, invasive mechanical ventilation; NPPV, noninvasive mechanical ventilation.