Table 2. VAS Scores for PLSP at Two, Six and Twelve Hours After Surgery in the Study Groups^a,b.

	Gabapentin	Placebo	P Valueb
Two hours after surgery	1.7 ± 1.8	4.5 ± 3.5	0.004
Six hours after surgery	2.8 ± 2.9	4.3 ± 3.2	0.132
Twelve hours after surgery	1.6 ± 2.2	3.4 ± 2.9	0.036

Abbreviations: PLPS, post laparoscopic shoulder pain; VAS, visual analog scale.

^aData are presented as mean ± SD.

^bP values less than 0.05 are significant.