Fig. 2From: The effect of addition of magnesium sulfate or dexamethasone to bupivacaine on the post-operative analgesic duration of ultrasound-guided quadratus lumborum block in open abdominal surgeries: a comparative studyThe mean blood pressure (MBP) at different times of measurement. Data are presented as mean values; error bars represent the SD. *Significant difference between the three groups (P-value < 0.05). BS, Bupivacaine-Saline group; BM, Bupivacaine-Magnesium group; BD, Bupivacaine-Dexamethasone group; MBP, mean blood pressure; PACU, postanesthesia care unitBack to article page