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Table 3 Postoperative pain profiles during 4 h

From: Antinociceptive effects of magnesium sulfate for monitored anesthesia care during hysteroscopy: a randomized controlled study

  Group C (n = 34) Group M (n = 33) p value
VNRS scores    
1 min 2 (0–4) 1 (0–4) 0.074
15 min 3 (1–6) 2 (1–5) a 0.001
30 min 3 (2–6) 2 (1–6) a < 0.001
1 h 2 (1–5) 1 (0–5) a 0.001
4 h 2 (1–4) 1 (0–4) a 0.003
VNRS ≥4 14 (41%) 6 (18%) 0.052
  1. Values are presented as median (range) or number (proportion)
  2. Group C Control group, Group M Magnesium group
  3. VNRS Verbal numerical rating scale
  4. a The difference was significant at 0.05 level