Fig 1.
Modified Mallampati classification (Samsoon GL and Young JR: Difficult tracheal intubation: A retrospective study. Anaesthesia 1987;42:487–490).
(A) Class I. Soft palate, uvula, fauces, and pillars are visible. (B) Class II. Soft palate, uvula, and fauces are visible. (C) Class III. Soft palate and base of uvula are visible.(D) Class IV. Soft palate is not visible at all.
Fig 2.
Measuring method of the distance between the menton and laryngeal prominence.
Table 1.
Characteristics of the study participants.
Table 2.
Correlation between the modified Mallampati classification and participants’ characteristics.
Table 3.
Correlation between the distance from the menton to the laryngeal prominence and participants’ characteristics.
Fig 3.
Correlation between the modified Mallampati classification and the distance between the menton and laryngeal prominence.
Table 4.
Univariate and multivariate analyses of the factors which correlate with history of choking or cough reflex from food or drinking in the previous month.
Table 5.
Univariate and multivariate analyses of the factors correlated to medical history of pneumonia in the previous year.
Fig 4.
Lower classification scores were associated with higher incidence of pneumonia.