Document Classification

Section Type: METHODS

Text: After the induction of general anesthesia, the patients were randomized to four caudal anesthesia groups : Group B (1. 0 mL/kg of bupivacaine 0. 166 % with epinephrine 1:600, 000) ; Group BM (1. 0 mL/kg of bupivacaine 0. 166 % with epinephrine 1:600, 000 plus morphine 20g/kg) ; Group BC (bupivacaine 0. 166 % with epinephrine 1:600, 000 plus clonidine 1. 0 g/kg), and Group BMC (bupivacaine 0. 166 % with epinephrine 1:600, 000 plus morphine 20g/kg and clonidine 1. 0 g/kg).