TABLE 4.

VAS scores of children at 1, 2, 6, 12, 24, and 48 h after arrival to the ward between Group ND and Group SD.

VAS Scores	ND (n = 200)	SD (n = 200)	t	P
VASR
1 h after surgery	2.36 ± 0.52	2.44 ± 0.58	1.452	0.147
2 h after surgery	2.50 ± 0.57	2.60 ± 0.60	1.709	0.088
6 h after surgery	2.81 ± 0.59	3.01 ± 0.63	3.277	0.001
12 h after surgery	3.06 ± 0.50	3.20 ± 0.55	2.644	0.008
24 h after surgery	2.86 ± 0.49	2.98 ± 0.53	2.351	0.019
48 h after surgery	2.29 ± 0.43	2.35 ± 0.45	1.363	0.174
VASC
1 h after surgery	2.55 ± 0.60	2.62 ± 0.62	1.147	0.252
2 h after surgery	2.88 ± 0.57	3.03 ± 0.60	2.563	0.011
6 h after surgery	3.27 ± 0.66	3.53 ± 0.68	3.880	0.001
12 h after surgery	3.60 ± 0.66	3.78 ± 0.68	2.686	0.008
24 h after surgery	3.39 ± 0.60	3.52 ± 0.63	2.113	0.035
48 h after surgery	2.62 ± 0.57	2.72 ± 0.60	1.709	0.088

Statistical analysis was performed by unpaired t test.