Table 3.

Comparison of PAED scores of children at different time points among the three groups (points)

Time	D group (n = 125)	DS group (n = 126)	S group (n = 126)	P
Postoperative 2 h	8.1 ± 1.56	7.6 ± 1.64	8.3 ± 1.53b	0.005
Postoperative 4 h	2.1 ± 1.79	2.0 ± 1.76	4.4 ± 3.08a,b	< 0.001
Postoperative 6 h	0.5 ± 1.16	1.3 ± 1.01a	1.4 ± 1.07a	< 0.001
Postoperative 8 h	0.0 ± 0.00	0.0 ± 0.00	0.0 ± 0.00	> 0.999
Postoperative 12 h	0.0 ± 0.00	0.0 ± 0.00	0.0 ± 0.00	> 0.999
Postoperative 24 h	0.0 ± 0.00	0.0 ± 0.00	0.0 ± 0.00	> 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.