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 2 Comparison between the studied groups according to results of chair and Thompson tests through follow-up periods

		CS injection (15) (group 1)		ESWT (15) (group 2)		Statistical test (FET)	p value
		No.	%	No.	%	Statistical test (FET)	p value
Chair test	Before
	Positive	15	100	15	100	-	-
	Negative	0	0.0	0	0.0
	2 w
	Positive	2	13.3	6	40.0	1.53	0.22
	Negative	13	86.7	9	60.0
	4 w
	Positive	1	6.7	4	26.7	0.96	0.33
	Negative	14	93.3	11	73.3
	8 w
	Positive	1	6.7	0	0.0	0.0	1.0
	Negative	14	93.3	15	100
	12 w
	Positive	1	6.7	0	0.0	0.0	1.0
	Negative	14	93.3	15	100
Thompson test	Before
	Positive	15	100	15	100	-	-
	Negative	0	0.0	0	0.0
	2 w
	Positive	2	13.3	7	46.7	2.54	0.11
	Negative	13	86.7	8	53.3
	4 w
	Positive	1	6.7	4	26.7	0.96	0.33
	Negative	14	93.3	11	73.3
	8 w
	Positive	1	6.7	0	0.0	0.0	1.0
	Negative	14	93.3	15	100
	12 w
	Positive	1	6.7	0	0.0	0.0	1.0
	Negative	14	93.3	15	100