Table 1. Demographic findings of subjects by the group.

Parameters	FK group (n = 30)	RK group (n = 30)	DK group (n = 30)
Age, yr	49.7 ± 5.1	46.6 ± 3.2	45.1 ± 3.9
Weight, kg	66.6 ± 7.1	63.8 ± 6.1	61.7 ± 9.3
ASA (I/II)	28/2	24/6	27/3
Height, cm	159.1 ± 6.3	161.8 ± 5.5	160.6 ± 4.9
Duration of operation, min	108.0 ± 21.2	99.8 ± 21.6	97.3 ± 24.9
Duration of anesthesia, min	137.1 ± 13.6	126.9 ± 30.4	132.1 ± 18.1

Data are expressed as mean ± SD.

FK group, fentanyl group; RK group, remifentanil group; DK group, dexmedetomidine group; ASA, American Society of Anesthesiologists.