Characteristics

Gabapentin group
(n=30)

Placebo group
(n=30)

P-value

First day

1.43 ± 1.04

3.77 ± 0.50

< 0.001

Second day

1.27 ± 0.74

3.57 ± 0.57

< 0.001

Third day

0.93 ± 0.74

3.20 ± 0.76

< 0.001

Forth day

0.83 ± 0.70

2.73 ± 0.69

< 0.001

Fifth day

0.37 ± 0.62

2.13 ± 0.86

< 0.001

Sixth day

0.07 ± 0.37

0.60 ± 0.93

0.003

Seventh day

0.03 ± 0.18

0.10 ± 0.31

0.305