G.T. Keleş, I. Topçu, Z. Ekici and A. Yentür. Evaluation of piroxicam-β-cyclodextrin as a preemptive analgesic in functional endoscopic sinus surgery.
Figure 1. Intensity of postoperative pain determined by the visual analogue scale (VAS, "0" is no pain and "10" the worst imaginable pain). Data are reported as means ± SD for 25 patients in each group. Post-anesthesia care unit (PACU) period included 15, 30 and 45 min after the operation in the operating theatre; 1, 2, 4, 6, and 24 h were in the ENT surgery department. *P < 0.05 compared to groups 1 and 2 according to VAS scores (Mann-Whitney U-test).