Mean VISA-P scores	ESWT	Placebo
Before	59.4±11.7	62.4±13.4
After 1 week	66.8±16.2	66.3±19.0
After 12 week	66.7±17.5	68.9±20.3
After 22 week	70.5±18.9	72.7±8.0