TABLE 3.

Self-Reported Side Effects

	Gabapentin (n = 207)	Placebo (n = 206)	Pa
Drowsiness			.51
Mean (SD)	1.4 (2.5)	1.6 (2.6)
Concentration			.48
Mean (SD)	1.0 (2.6)	1.1 (2.5)
Diarrhea			.46
Mean (SD)	0.5 (2.0)	0.4 (2.0)
Skin irritation			.30
Mean (SD)	0.1 (1.7)	0.1 (1.6)
Swelling of hands/feet			.78
Mean (SD)	0. 1 (1.6)	0.0 (1.2)
Dry mouth			.20
Mean (SD)	1.6 (2.4)	1.2 (2.4)
Dizziness			.25
Mean (SD)	1.3 (2.4)	0.9 (2.1)
Constipation			.96
Mean (SD)	2.0 (3.0)	2.0 (3.0)
Tiredness			.11
Mean (SD)	2.3 (3.0)	2.8 (3.0)
Headache			.42
Mean (SD)	1.3 (2.6)	1.3 (2.5)
Indigestion/heartburn			.71
Mean (SD)	2.0 (3.0)	1.9 (2.9)
Anxiety/nervousness			.19
Mean (SD)	−0.8 (2.9)	−0.4 (2.9)
Weight gain			.45
Mean (SD)	0.3 (1.9)	0.1 (1.4)
Appetite loss			.04
Mean (SD)	1.3 (2.7)	1.9 (3.3)
Loss coordination
Mean (SD)	0.4 (1.5)	0.4 (1.6)	.50
Negative mood swings
Mean (SD)	0.3 (2.2)	0.9 (2.4)	< .01
Vision changes
Mean (SD)	0.7 (1.8)	0.5 (1.3)	.96

Change from baseline, Positive numbers indicate improvement.

^aKruskal Wallis test.