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Table 2 Relationship between pre-anaesthetic assessment classifications and Cormack and Lehane grade

From: Ethnic considerations in the upper lip bite test: the reliability and validity of the upper lip bite test in predicting difficult laryngoscopy in Koreans

 

Cormack and Lehane grade

Pre-anaesthetic test

1 & 2(%) (n = 255)

3 & 4(%) (n = 89)

p

Modified Mallampati

 Class 1 & 2

156(61.2)

29(32.6)

<.001

 Class 3 & 4

99(38.8)

60(67.4)

 

Upper lip bite

 Class 1 & 2

250(98.0)

85(95.5)

0.245

 Class 3

5(2.0)

4(4.5)

 
  1. Values are number (proportion); * The Chi-square test
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BMC Anesthesiology

ISSN: 1471-2253

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