Table 3 Multivariate analysis to identify risk factors for poor laryngoscopic view

Male gender

0.87 (0.48-1.25)

<0.001

ASA score of 3 or 4

−0.12 (−0.93-0.69)

0.770

MLP 3 or 4

1.34 (1.04-1.64)

<0.001

Emergency surgery

0.07 (−0.40-0.55)

0.760

Administration of etomidate

−0.89 (−1.17-0.59)

<0.001

Administration of rocuronium

0.04 (−0.59-0.67)

0.899