A Comparison of Oxycodone and Alfentanil in Intravenous Patient-Controlled Analgesia with a Time-Scheduled Decremental Infusion after Laparoscopic Cholecystectomy

Table 1

Demographic characteristics of patients.

Characteristics	Alfentanil group ()	Oxycodone group ()	value
Age (years)	46.2 ± 12.8	46.4 ± 13.8	0.588
Sex (male/female, (%))	16 ()/25 ()	14 (34.1)/27 (65.9)	0.647
Height (cm)	163.0 ± 7.8	162.4 ± 9.0	0.411
Weight (kg)	67.8 ± 11.9	67.9 ± 12.7	0.677
LBM (kg)	48.5 ± 7.2	48.1 ± 8.1	0.372
OP time (minutes)	44.6 ± 19.2	42.8 ± 16.7	0.174

LBM: lean body mass; OP: operation.
All data are expressed as mean ± standard deviation or number (percentage). The data were analyzed using Student’s -test and chi-square test. There were no significant differences between two groups ( value < 0.05).