Document Classification

Section Type: RESULTS

Text: There were differences in pain scores at 30, 60, 120 and 240 min postoperatively (VAS at 30 min 3. 2 + / - 1. 2 vs 5. 5 + / - 1. 8 ; P < 0. 001 : VAS at 60 min 1. 8 + / - 1. 2 vs 3. 7 + / - 1. 9 ; P < 0. 001 : VAS at 120 min 0. 9 + / - 0. 9 vs 1. 7 + / - 1. 0 ; P = 0. 003 : VAS at 240 min 0. 5 + / - 0. 5 vs 1. 1 + / - 0. 8 ; P < 0. 001 : Expressed as mean + / - SD).