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Table 6 VAS score

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

  Group A, PVB Group B, PECS Test value p value Sig.
No. = 15 No. = 15
0 h (immediate after recovery) Median (IQR) 1 (0–1) 0 (0–1) − 1.548 0.122 NS
1 h postoperatively Median (IQR) 1 (0–1) 0 (0–1) − 2.366 0.018 S
2 h postoperatively Median (IQR) 1 (1–2) 1 (0–1) − 1.822 0.069 NS
4 h postoperatively Median (IQR) 2 (1–3) 1 (1–2) − 1.958 0.050 S
6 h postoperatively Median (IQR) 2 (1–3) 1 (1–2) − 0.873 0.383 NS
8 h postoperatively Median (IQR) 2 (1–3) 2 (1–3) − 0.779 0.436 NS
12 h postoperatively Median (IQR) 1 (1–4) 2 (1–3) − 0.177 0.860 NS
18 h postoperatively Median (IQR) 1 (0–1) 1 (1–3) − 1.447 0.148 NS
24 h postoperatively Median (IQR) 1 (1–2) 1 (0–1) − 3.433 0.001 HS
  1. Mann-Whitney test
  2. Data are expressed median (25th–75th percentile)
  3. p value < 0.05 = significant
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