Comparative effectiveness of extracorporeal shock wave therapy, local corticosteroid injection, and conventional physiotherapy in treatment of chronic lateral epicondylitis

Egyptian Rheumatology and Rehabilitation

Table 2 Comparison between the three groups regarding PRTEE score

PRTEE		Corticosteroid	Shock wave	physiotherapy	p value
PRTEE		No. = 15	No. = 15	No. = 15	p value
Before	Mean ± SD	74.40 ± 6.80	69.47 ± 8.94	69.00 ± 9.84	0.177
After 4 weeks	Mean ± SD	41.87 ± 11.61	30.87 ± 9.16	39.00 ± 9.55	0.014
After 12 weeks	Mean ± SD	31.80 ± 9.91	14.33 ± 5.18	23.87 ± 5.96	0.000
Repeated measure ANOVA test		129.373	452.896	335.543
pvalue		0.000	0.000	0.000
Mean difference	4 weeks	−32.53 ± 10.69	−38.60 ± 7.77	−30.00 ± 7.43	0.030
Mean difference	12 weeks	−42.60 ± 8.28	−55.13 ± 8.09	−45.13 ± 7.63	0.000

PRTEE patient related tennis elbow evaluation; p value > 0.05, non significant (NS); p value ≤ 0.05, significant (S)