“L-E-M-O-N” score calculation: The airway assessment score was calculated thus: ‘LOOK’ Criteria: Facial trauma (Absent = 0 point, Present = 1 point), Large incisors (Absent = 0 point, Present = 1 point), Beard or moustache (Absent = 0 point, Present = 1 point), Large tongue (Absent = 0 point, Present = 1 point).