Fig. 2From: Effects of different doses of magnesium sulfate on pneumoperitoneum-related hemodynamic changes in patients undergoing gastrointestinal laparoscopy: a randomized, double-blind, controlled triala Change in cardiac output (CO) during the laparoscopic gastrointestinal surgery. Values are expressed as mean (SD). *P < 0.05 when compared with the control group; #P < 0.05 when compared with group L. b Change in systemic vascular resistance (SVR) during the laparoscopic gastrointestinal surgery. Values are expressed as mean (SD). *P < 0.05 when compared with the control group; #P < 0.05 when compared with group L. c Change in mean arterial pressure (MAP) during the laparoscopic gastrointestinal surgery. Values are expressed as mean (SD). *P < 0.05 when compared with the control group; #P < 0.05 when compared with group LBack to article page