Table 1. Comparison of the Variables Between the Study Groups^a,b.

	Gabapentin (n = 20)	Placebo (n = 20)	P Valueb
Age, years	26.5 ± 7.4	28.5 ± 9.2	0.446
BMI, kg.m -2	25.1 ± 4.0	23.9 ± 5.9	0.280
Duration of surgery, minutes	77.3 ± 28.5	67.9 ± 20.2	0.232
Positive pregnancy history	4 (20)	2 (10)	0.660
PLSP	9 (45)	15 (75)	0.053

Abbreviations: BMI, body mass index; PLSP, post laparoscopic shoulder pain.

^aData are presented as mean ± SD or No. (%).

^bP Values less than 0.05 are significant.