(a).

	Responders (n = 12)			Nonresponders (n = 7)
	Pregabalin	Placebo	Preg versus Plac	Pregabalin	Placebo	Preg versus Plac
Satisfaction	2.5 ± 0.37	0.3 ± 0.25	<0.001	0.1 ± 0.14	1.6 ± 0.57	0.039
# Sx improved	7.2 ± 1.35	1.3 ± 0.91	<0.001	1.0 ± 0.53	4.3 ± 2.11	0.106
# Sx worse	1.8 ± 0.52	6.4 ± 1.38	0.002	3.7 ± 0.99	1.9 ± 0.63	0.064