Ain-Shams Journal of Anesthesiology

Table 3 Postoperative visual analog scale of the studied groups at different points of time

From: Ultrasound-guided modified pectoral plane (PECS II) block versus erector spinae plane (ESP) block for perioperative analgesia of surgical treatment of gynecomastia

	Studied groups		U	p-Value
	PECSII group (n = 23)	ESP group (n = 23)	U	p-Value
0 h	0 (0–20)	0 (0–20)	0.761	0.44
6 h	10 (10–20)	20 (10–40)	2.292	0.022*
12 h	20 (10–30)	20 (10–40)	2.021	0.043*
18 h	20 (10–30)	20 (20–30)	3.109	0.002*
24 h	10 (0–30)	10 (0–30)	0.491	0.623

Data were expressed in median (range). *P < 0.05 statistically is significant. U Mann-Whitney test. PECSII modified pectoral plane block, ESP erector spinae plane block

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