Fig 2From: Effects of dexmedetomidine combined with etomidate on postoperative cognitive function in older patients undergoing total intravenous anaesthesia: a randomized, double-blind, controlled trialThe SBP at different time points in four groups. *p < 0.05 vs.T0, # p < 0.05 vs.EN1 and $ p < 0.05 vs.EN2Back to article page