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Copyright ©The Author(s) 2023.
World J Clin Cases. Mar 26, 2023; 11(9): 1951-1962
Published online Mar 26, 2023. doi: 10.12998/wjcc.v11.i9.1951
Table 1 Cutoff values for predictors of a difficult airway
Predictor[12]
DDL or DMV
Cutoff value (sensitivity, specificity)
Distance from skin to epiglottis[22]DDL, DMV> 2.54 cm (82.0, 91.0)
Hyomental distance ratio[23] (extension/neutral position)DDL< 1.085 (75.0, 85.3)
Tongue base thicknessDMV> 5.87 cm (85.0, 91.0)