 Pain level of the patients was assessed by 10 cm visual analogue scale VAS; 0no pain; 10very severe pain. VAS scores were recorded before and after tourniquet application as well as at 5th, 10th, 15th, 20th, 30th, 40th, and 50th min during the surgery. If the patient had a VAS score of 4 and if required, 1 μgkg fentanyl was administered for analgesia and the dosage and time were recorded. 