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Ain-Shams Journal of Anesthesiology

Table 7 Time to first request of analgesia (h)

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

 

Group A, PVB

Group B, PECS

t test

p value

Number of patients

N= 10

N= 8

  

Mean ± SD

8.30 ± 4.76

14.00 ± 4.54

6.637

0.020*

Range

1–18

8–18

  1. Independent sample t test
  2. p value > 0.05 NS; *p value < 0.05 S
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