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Table 2 Intubation attempts and visualization of the glottis using the Cormack & Lehane grade

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

 

Attempts (n)

Cormack & Lehane grade

Macintosh laryngoscopy

  

   Junior

1 (1 to 1); 1 to 3

2 (1 to 2); 1 to 3

   Senior

1 (1 to 1); 1 to 4

1 (1 to 2); 1 to 2

   Specialist

1 (1 to 2); 1 to 4

1 (1 to 2); 1 to 4

   P value

0.36

0.22

C-MAC® video laryngoscope

  

   Junior

1 (1 to 1); 1 to 1

1 (1 to 2); 1 to 4

   Senior

1 (1 to 1); 1 to 5

1 (1 to 1); 1 to 4

   Specialist

1 (1 to 1); 1 to 3

1 (1 to 2); 1 to 4

   P value

0.91

0.39

P value (ML vs. C-MAC®)

  

   Junior

0.54

0.14

   Senior

0.60

0.98

   Specialist

0.10

0.17

  1. Data presented as median (interquartile range); range. Junior, < 1 to 3 years of clinical experience; senior, > 3 years of clinical experience; specialist, board-certified anesthesiologist. ML, Macintosh laryngoscopy.
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Critical Care

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