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Table 2 Correlation coefficients of strain by the laryngoscopists

From: Mechanical strain to maxillary incisors during direct laryngoscopy

 

Macintosh

Miller

Macintosh - APP

Miller - APP

Macintosh

1

0.50

0.47

0.42

Miller

0.50

1

0.51

0.56

Macintosh - APP

0.47

0.51

1

0.63

Miller - APP

0.42

0.56

0.63

1

  1. Correlation coefficients (Spearman’s rho) between the strains generated by the same larygnoscopist using the different blades and techniques. APP alcohol protective pad. All p < .001