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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
  1. Independent sample t test; p value < 0.05 S
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