Document Classification

Section Type: RESULTS

Text: There were no significant differences in postoperative pain intensity (median scores : 1 hour, 4. 0 versus 5. 0 ; 3 hours, 3. 0 versus 4. 0 ; 7 hours, 2. 0 versus 3. 0 ; 18 hours, 3. 0 versus 4. 0), the consumption of hydromorphone (0-3 hours, 1. 84 mg versus 1. 77 mg ; 4-7 hours, 1. 19 mg versus 1. 20 mg ; 8-18 hours, 2. 89 mg versus 2. 35 mg), or mean hospital stay (39. 6 versus 37. 3 hours) between the bupivacaine and saline groups.