Table 1.

Demographic and operative data

	Group T (n=20)	Group P (n=20)
Age (years)	64.90 (7.31)	66.20 (8.48)
Sex (male)	17 (85%)	19 (95%)
ASA physical status (I:II)	20:0	15:5
Weight (kg)	66.65 (7.54)	63.05 (9.46)
Height (cm)	155.35 (5.57)	153.40 (5.45)
BMI (kg/m2)	27.64 (3.10)	26.88 (4.45)
Anesthetic time (minutes)	168.50 (54.65)	159.00 (40.31)

Notes: Group T patients received a transdermal fentanyl patch; group P patients received placebo. Data for age, weight, height, BMI, and anesthetic time are presented as means (standard deviation).

Abbreviations: ASA, American Society of Anesthesiologists; BMI, body mass index.