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Table 3 Vital signs during MRI, discharge times and use of supplemental oxygen

From: Premedication with intranasal dexmedetomidine decreases barbiturate requirement in pediatric patients sedated for magnetic resonance imaging: a retrospective study

  Group Dexmedetomidine (DEX) Thiopental (THIO) p-value
n median (IQR) n median (IQR)
Lowest SpO2 (%) during MRI ALL 100 97 (95–97) 100 96 (94–97) <  0.001
  0–2 years 20 96 (95–97) 24 96 (94–97) 0.863
  2–6 years 50 97 (96–98) 53 95 (94–97) 0.002
  6–11 years 30 97 (96–98) 23 96 (94–97) 0.114
Lowest heart rate (1/min) during MRI ALL 100 78 (16) 100 92 (12) <  0.001
  0–2 years 20 97 (11) 24 104 (13) 0.056
  2–6 years 50 77 (12) 53 91 (9) <  0.001
  6–11 years 30 65 (12) 23 82 (8) < 0.001
Time from MRI end to discharge (min) ALL 100 140 (115–169) 100 150 (125–175) 0.15
  0–2 years 20 151 (125–184) 24 144 (123–162)  
  2–6 years 50 142 (122–172) 53 152 (131–177)  
  6–11 years 30 124 (104–146) 23 139 (114–172)  
    n (%)   n (%)  
Supplemental oxygen (%) ALL 100 2 (2) 100 33 (33) < 0.001
  0–2 years 20 2 (10) 24 9 (38) 0.04
  2–6 years 50 0 (0) 53 19 (36) < 0.001
  6–11 years 30 0 (0) 23 5 (22) 0.003
  1. Median and IQR reported, except for lowest heart rate, for which mean and SD is shown. Number and percentage of patients receiving supplemental oxygen is shown