Table 3

Results for seven papers on treatment by extracorporeal shock wave therapy (ESWT)

Reference	No	Method of treatment	Outcome measures	Conclusions	Quality score (%)
Rompe et al³⁵	100	ESWT v sham therapy	Pain	ESWT was more effective than sham therapy at the end of treatment and at the follow ups	55
			Function
			Grip strength
			Global improvement
Haake et al³⁷	271	ESWT v sham therapy	Pain	No difference after the end of treatment and at the follow ups	75
			Function
			Grip strength
			Global improvement
Speed et al³⁶	75	ESWT v sham therapy	Pain	No difference after the end of treatment and at the follow ups	53
			Global improvement
Crowther et al³⁸	73	ESWT v steroid injection	Pain	Injection more effective than ESWT at the end of treatment and at the follow up	56
Melikyan et al³⁹	74	ESWT v sham therapy	Pain	No difference after the end of treatment and at the follow ups	57
			Function
			Grip strength
			Global improvement
Rompe et al⁴⁰	78	ESWT v sham therapy	Pain	ESWT was more effective than sham therapy at the end of treatment and at the follow ups	74
			Function
			Grip strength
			Global improvement
Melegati et al⁴¹	41	Lateral ESWT technique v back ESWT technique	Pain	No differences between the two techniques at the end of the treatment and at the follow up. Improvement for both from baseline	45
		Lateral ESWT technique v back ESWT technique	Function
			Global improvement