The Efficacy of Focused Extracorporeal Shock Wave Therapy and Ultrasound Therapy in the Treatment of Calcar Calcanei: A Randomized Study

Table 3

The ‘pre-post’ analysis of VAS and calcification.

Group	Parameters	Pretherapy	Posttherapy	Statistics	value	Effect size
Experimental	Calcification			1891	<0.0001	0.79^rs
	VAS			1953	<0.0001	0.89^rs
Control	Calcification			1102	<0.0001	0.48^rs
	VAS			1891	<0.0001	0.80^rs

^dthe Cohen effect size: ^rsthe rank biserial correlation coefficient.