Document Classification

Section Type: METHODS

Text: Eighty children, age one to ten years, undergoing sub-umbilical surgery, were prospectively randomized to one of four groups : caudal analgesia with 0. 75 ml / kg of 0. 25 % bupivacaine in normal saline (Group B) or caudal analgesia with 0. 75 ml/kg of 0. 25 % bupivacaine with 1 g/kg of clonidine in normal saline (Group BC) or caudal analgesia with 0. 75 ml/kg of 0. 25 % bupivacaine with ketamine 0. 5 mg/kg (Group BK) or caudal analgesia with 0. 75 ml/kg of 0. 25 % bupivacaine with fentanyl 1 mcg/kg (Group BF).