There was a statistically significant but small reduction in VAS pain score ( mean -LSB- @ % CI -RSB- ) on `` movement '' ( @mm -LSB- @ to @ -RSB- vs. @mm -LSB- @ to @ -RSB- ; difference , -@ mm -LSB- -@ to @ -RSB- ; P = @ ) at @h in the gabapentin ( n = @ ) compared with control group ( n = @ ) .