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Recovery time (A), use of ephedrine (B) and use of atropine (C) among the 3 groups. All values are expressed as the mean ± SD. a, P<0.05 compared to intravenous dexmedetomidine. b, P<0.05 compared to no dexmedetomidine. Analysed by one-way ANOVA followed by LSD post hoc multiple comparison. DEX, dexmedetomidine.
