Table 2. The Comparison of Pain Severity, LEFS, and ITBL Between the Studied Groups.

Variables	Dry needling (n=20)	Shockwave (n=20)	P-value
Means± SD
Pain
Baseline	8.95±1.14	8.3±1.83	0.38*
Immediately by the intervention cessation	3.05±2.08	3.8±2.39	0.39*
Within four weeks after the intervention	1.75±1.77	3.6±2.68	0.023*
P-value**	<0.001	<0.001
Lower Extremity Function
Baseline	34.9±16.6	38.65±12.52	0.42δ
Immediately by the intervention cessation	55.15±17.86	47.9±14.03	0.16δ
Within four weeks after the intervention	54.9±17.77	49.7±14.14	0.31δ
P-value£	<0.001	<0.001
Length of ITB
Baseline	26.35±5.67	24.4±6.78	0.56
Immediately by the intervention cessation	25.7±6.13	25.2±5.95	0.86
Within four weeks after the intervention	25.9±6.01	25.75±4.71	0.79
P-value**	0.93	0.75

^* Mann-Whitney; ^** GEE; ^δ Independent t-test; ^£ Repeated Measure ANOVA