Table A1.

Induction quality scoring system.

Score	Description
Smooth (0)	No signs of excitement; no palpebral blinking; may or may not be associated with minimal jaw movement during manipulation; clear laryngeal structure visualization and complete tongue flaccidity with easy intubation performed within ten seconds.
Fair (1)	Slight excitement; some rapid blinking, some limb movements and obvious jaw movement during manipulation; intubation is performed within 30–60 s with or without some jaw tone persistence.
Poor (2)	Marked excitement; muscle twitching; paddling of limbs; unable to place orotracheal tube.

Modified from Dzikiti et al., 2014.