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Table 4 The VAS values with movement

From: The effect of addition of magnesium sulfate or dexamethasone to bupivacaine on the post-operative analgesic duration of ultrasound-guided quadratus lumborum block in open abdominal surgeries: a comparative study

VAS with movement

Group BS (N = 22)

Group BM (N = 22)

Group BD (N = 22)

p-value

Upon arrival to the PACU

0.75 (0–2.5)

0 (0–2)

0 (0–2)

0.291

After 30 min in the PACU

0 (0–1)

0 (0–1)

0 (0–1)

0.462

After 1 h in the PACU

0 (0–1.5)

0 (0–1)

0 (0–0.5)

0.816

After 2 h

0 (0–1.5)

0 (0–1.5)

0 (0–1)

0.999

After 4 h

0 (0–2)

0 (0–1)

0 (0–1)

0.999

After 6 h

0 (0–1)

0 (0–1.5)

0 (0–1)

0.565

After 8 h

0 (0–1.5)

0 (0–1)

0 (0–1)

0.830

After 12 h

0 (0–2)

0 (0–0.5)

0 (0–1)

0.562

After 24 h

0 (0–3)

0 (0–2)

0 (0–2)

0.674

After 30 h

4 (3.5–5)

3 (0–4.5)

2.75 (2–4.5)

 < 0.001

After 36 h

4 (3–6)

4.5 (3–5.5)

4 (3–5.5)

0.265

  1. Data are presented as median (range). BS Bupivacaine-Saline group, BM Bupivacaine-Magnesium group, BD Bupivacaine-Dexamethasone group, VAS visual analogue scale, PACU postanesthesia care unit