Primary outcome measure—modified Yale Preoperative Anxiety Scale-Short Form
Anxiety, anxiety
The primary endpoint was modified Yale Preoperative Anxiety Scale-Short Form (mYPAS-SF) score (adjusted for baseline) measured over the three consecutive, standard preoperative time points recommended for the scale: start of transfer to theatre, entry into anaesthetic room, and administration of anaesthesia. The mYPAS-SF is the current gold standard for assessing child anxiety during induction of anaesthesia.