Ain-Shams Journal of Anesthesiology

Table 8 Total dose of postoperative pethidine (mg)

From: Ultrasound-guided thoracic paravertebral block vs pectoral nerve block for postoperative analgesia after modified radical mastectomy

	Group A, PVB (No. = 10)	Group B, PECS (No. = 8)	t test	p value
Mean ± SD	75.66 ± 10.82	37.15 ± 4.73	− 9.335	< 0.001
Range (mg)	40–90	30–40	− 9.335	< 0.001

Independent sample t test; p value < 0.05 S

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