Document Classification

Section Type: RESULTS

Text: Compared with saline, intravenous parecoxib, 20 mg and 40 mg every 12 h, significantly decreased the PCA morphine usage during the first 6 h postoperatively (group 1, 25 + / - 13 mg ; group 2, 16 + / - 11 mg ; group 3, 17 + / - 10 mg) and at 12 h (group 1, 34 + / - 18 mg ; group 2, 24 + / - 14 mg ; group 3, 23 + / - 13 mg) and 24 h (group 1, 51 + / - 27 mg ; group 2, 34 + / - 20 mg ; group 3, 33 + / - 21 mg) after surgery.