Table 1.

Patient characteristics

Groups	Fentanyl	Tramadol HCL	Saline	p
Age (years)	56.316±16.85	53.154±14.89	47.333±18.31	>0.05
Height (cm)	172.87±5.61	173±9.083	170.60±4.879	>0.05
Weight (kg)	73.875±10.62	82.80±13.08	69.231±11.3	>0.05
Sex (Male/Female)	42/18	24/15	27/18	>0.05
ASA physical status (I/II/III)	5/9/6	3/7/3	4/8/3	>0.05
Duration of surgery (min)	128±27	133±37	120±32	>0.05

All values are mean±SD.

P>0.05 is statistically insignificant.

ASA: American Society of Anesthesiologists; HCL: Hydrochloride.