Extracorporeal shock wave therapy (ESWT) versus local corticosteroid injection in treatment of lateral epicondylitis (tennis elbow) in athletes: clinical and ultrasonographic evaluation

Egyptian Rheumatology and Rehabilitation

Table 5 Comparison of VAS, PRTEE, and Quick DASH test through follow-up periods among ESWT group (n = 15)

ESWT (15) Group 2		Mean	±SD	Before		2 w
ESWT (15) Group 2		Mean	±SD	Paired t1	p1	Paired t2	p2
VAS	Before	8.6	0.83
	2 w	5.8	1.7	7.61	< 0.001**
	4 w	2.73	2.25	11.6	< 0.001**	8.56	< 0.001**
	8 w	0.87	0.92	37.5	< 0.001**	16.43	< 0.001**
	12 w	0.13	0.35	44.12	< 0.001**	15.16	< 0.001**
PRTEE	Before	82.13	8.08
	2 w	61.33	11.21	8.97	< 0.001**
	4 w	32.07	20.17	11.19	< 0.001**	8.47	< 0.001**
	8 w	6.07	3.10	42.18	< 0.001**	23.15	< 0.001**
	12 w	1.47	1.3	42.15	< 0.001**	22.42	< 0.001**
Quick DASH	Before	75.4	11.14
	2 w	54.53	12.55	9.23	< 0.001**
	4 w	27.87	17.46	12.89	< 0.001**	8.74	< 0.001**
	8 w	12.2	9.69	25.94	< 0.001**	19.81	< 0.001**
	12 w	2.2	2.24	28.05	< 0.001**	17.86	< 0.001**

Paired t test. VAS, visual analog scale; PRTEE, patient-rated tennis elbow evaluation; DASH, disabilities of the arm, shoulder, and hand; w, week; ESWT, extracorporeal shock wave therapy