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Table 2 Anesthetic requirements and frequencies of perioperative adverse events

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
Propofol (mg) 31.2 ± 10.8 28.0 ± 7.0 0.157
Fentanyl (μg) 145(75–175) 100(75–150) a < 0.001
Total number of times fentanyl needs 3(1–5) 2(1–4) a < 0.001
Need for rescue analgesics 14 (41%) 6 (18%) 0.052
Hypertension (SBP > 150 mmHg) 0 (0%) 0 (0%)  
Hypotension (SBP < 90 mmHg) 7 (21%) 5 (15%) 0.562
Tachycardia (HR > 110 bpm) 2 (6%) 0 (0%) 0.157
Bradycardia (HR < 50 bpm) 0 (0%) 0 (0%)  
Respiratory depression    
SpO2 < 95% 18 (53%) 12 (36%) 0.172
SpO2 < 90% 12 (35%) 7 (21%) 0.201
PONV 4 (12%) 3 (9%) 0.721
  1. Values are presented as mean ± standard deviation, number (proportion) or median (range)
  2. Group C Control group, Group M Magnesium group
  3. PONV Postoperative nausea and vomiting
  4. a The difference was significant at 0.05 level