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Table 3 Predictors for difficult intubation, number of complications and lowest documented oxygen saturation during endotracheal intubation

From: Endotracheal intubation using the C-MAC® video laryngoscope or the Macintosh laryngoscope: A prospective, comparative study in the ICU

  Macintosh laryngoscopy (n= 113) C-MAC® video laryngoscope (n= 117) P value
Predictors for difficult intubation    
   Short, big neck 23 (20%) 24 (21%) 0.97
   Obesity 16 (14%) 17 (15%) 0.93
   Limited mouth opening 5 (4%) 6 (5%) 0.80
   Limited neck movement 13 (12%) 14 (12%) 0.91
   Large tongue 2 (2%) 9 (8%) 0.04
   Short thyromental distance 6 (5%) 9 (7%) 0.46
   1 predictor 17 (15%) 21 (18%) 0.55
   2 predictors 13 (12%) 10 (9%) 0.45
   > 2 predictors 7 (6%) 12 (10%) 0.26
Complications    
   Minor tissue injury 3 1  
   Bleeding 3 2  
   Regurgitation/aspiration 1 0  
   Glottic swelling 1 4  
   Endobronchial intubation 0 3  
   Esophageal intubation 2 0  
   Other 7 4  
   Total events 17 (15%) 14 (12%) 0.70
Lowest SpO2 during intubation    
   < 80% 14 (12%) 15 (13%) 0.92
   80 to 90% 27 (24%) 28 (24%) 0.99
   > 90% 72 (64%) 74 (63%) 0.94
  1. Data presented as n (%). SpO2, oxygen saturation.