Figure 3From: 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 Rescue analgesic requirements in the first 6 h after surgery. Values are shown are number and proportion. h: postoperative hours. * P = 0.037 paracetamol versus placebo, * P = 0.020 dipyrone versus placebo.Back to article page