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. 2011 Dec 21;17(47):5191–5196. doi: 10.3748/wjg.v17.i47.5191

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.

1

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