T Test/ *Mann-Whitney U Test for p<0.005 (SD, Standard deviation, Min; Minimum, Max; Maximum; BMI, Body mass index ;NC, neck circumference; TMD, thyromental distance; SMD, sternomental distance; HMD, hyo-mental distance; IID, interincisor distance)
Table 5: Comparison of patient characteristics between successful (Han Scale=1) and unsuccessful mask ventilation (Han Scale >1) in classic face mask ventilation