Table 5.

Comparison of satisfactory degree to Cole 5-point scale score sedation score (Cole 5-point scale score > 2) of children at different time points among the three groups (points, mean ± SD), n (%)

Time	D group (n = 125)	DS group (n = 126)	S group (n = 126)	P
Postoperative 2 h	107 (85.6)	109 (86.5)	87 (69.0)a,b	0.001
Postoperative 4 h	65 (52.0)	56 (44.4)	68 (54.0)	0.299
Postoperative 6 h	106 (84.8)	105 (83.3)	95 (75.4)	0.149
Postoperative 8 h	127 (100.0)	127 (100.0)	126 (100.0)	> 0.999
Postoperative 12 h	127 (100.0)	127 (100.0)	126 (100.0)	> 0.999
Postoperative 24 h	127 (100.0)	127 (100.0)	126 (100.0)	> 0.999

^a P < 0.05 (Bonferroni adjusted) compared to dexmededomidine group.

^b P < 0.05 (Bonferroni adjusted) compared to dexmededomidine + sufentanil group.

D group: Dexmededomidine group; DS group: Dexmededomidine + sufentanil group; S group: Sufentanil group.