Fig. 3From: Safety and efficacy of ketamine-dexmedetomidine combination versus dexmedetomidine alone in cirrhotic patients undergoing upper gastrointestinal endoscopy: a prospective controlled clinical trialMean arterial pressure (MAP) changes in the studied two groups. KD1, ketamine-dexmedetomidine group. D2, dexmedetomidine group. MAP, mean arterial pressure. Statistically significant drop of MAP in group D2 compared with group KD1 (P value < 0.001)Back to article page