Figure 2From: The efficacy of intravenous paracetamol versus dipyrone for postoperative analgesia after day-case lower abdominal surgery in children with spinal anesthesia: a prospective randomized double-blind placebo-controlled study Visual analog pain scores in the first 6 h after surgery. Values shown are mean ± standard deviation. *P = 0.030 paracetamol versus placebo, # P = 0.010 dipyrone versus placebo.Back to article page