Posterior lingual lidocaine: A novel method to improve tolerance in upper gastrointestinal endoscopy

Table 2 Pre-procedure evaluation, median (min, max)

	SWG (n = 40)	SPG (n = 40)	P value1
Anxiety	3 (1, 5)	3 (1, 5)	0.67
Time to onset of anesthesia (s)	80 (30, 300)	50 (20, 120)	< 0.01
Gag reflex	2 (1, 5)	4 (2, 5)	< 0.01

SWG: Swab group; SPG: Spray group. Anxiety rate: 1 = no anxiety to 5 = extreme anxiety; Gag reflex scale: 1 = absent to 5 = strong.

¹P value for difference between groups using nonparametric Mann-Whitney test.