Fig. 2From: Oral midodrine for prophylaxis against post-spinal anesthesia hypotension during hip arthroplasty in elderly population: a randomized controlled trialMean arterial pressure. Markers are means and error bars are their standard deviations. † denotes significance in relation to baseline value in the Midodrine group, ‡ denotes significance in relation to baseline value in the control groupBack to article page