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Table 4 Changes in arterial oxygen saturation and respiratory rate in both study groups

From: Intravenous magnesium-fentanyl sedation versus midazolam-fentanyl sedation before local anesthesia for eye surgery: a comparative study

  Magnesium-fentanyl group (n = 50) Dormicum-fentanyl group (n = 50)  
Variable Mean SD Mean SD p value
Pre-induction SpO2 (%) 97.3 2.1 97.5 1.4 0.760
SpO2–1 (%) 10 min 97.3 1.8 97.3 1.6 0.860
SpO2–2 (%) 20 min 98.4 1.8 97.2 1.3 < 0.005*
SpO2–3 (%) 30 min 98.6 1.4 96.8 0.9 < 0.005*
Postoperative SpO2 (%) 98.2 2.0 97.5 1.2 0.034*
Respiratory rate (bpm) 11.4 0.6 11.8 0.7 0.003*
  1. bpm breath per minute, SpO2 arterial oxygen saturation
  2. *Significant
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