A randomized trial to evaluate a modified tracheal catheter with upper and lower balloons for anesthetic administration: effect on the cardiovascular, stress response, and comfort in patients undergoing laparoscopic cholecystectomy

Table 3 Wong-Baker FACES pain rating scale scores immediately after extubation in the three groups

		Group
		A (n = 30)	B (n = 30)	C (n = 30)
Wong Baker FACES pain rating scale score	Mean	3.27	2.67	1.8^ab
	SD	2.85	2.37	1.69
	Percentiles (25)	0	0	0
	Percentiles (50)	2	2	0
	Percentiles (75)	6	4	2
	Minimum	0	0	0
	Maximum	10	10	6

Compared with group A, ^at = 5.873, ^aP = 0.019; Compared with group B, ^bt = 2.662, ^bP = 0.108
SD Standard deviation

ISSN: 1471-2253