Table 5.

Comparison of BARF score and FLACC score between the two groups (mean ± SD) BARF score FLACC score Postoperative Time Postoperative Time

Group	n	BARF score		FLACC score
		Postoperative Time		Postoperative Time
		1 h	24 h	1 h	24 h
ESK	63	3.67±0.48	1.54±0.54	1.83±0.62*	1.28±0.45&#
FEN	61	3.05±0.61	1.34±0.52	2.06±0.38	3.15±0.24♦

BARF, Baxter Retching Faces; FLACC, face, legs, activity, cry, consolability; ESK, esketamine; FEN, fentanyl

^*P<0.05 ESK vs. FEN at postoperative 1 hour

^&P<0.05 ESK vs. FEN at postoperative 24 hour

^#P<0.05ESK group postoperative 24 hours vs. Postoperative 1 hour

^♦P<0.05FEN group postoperative 24 hours vs. Postoperative 1 hour