Table 3. Efficacy of Interventions Comparing Groups.

Difference Variables	Experimental Group	Control Group	Pa	Effect Sizeb
	Mean (SD)
Pain intensity
A1-A0	1.70 (1.4)	1.20 (0.8)	.171	0.46
A2-A0	2 (0.94)	1.30 (10.0)	.057	0.78
Anterior deltoid PPT
A1-A0	0.60 (0.7)	0.32 (0.5)	.157	0.49
A2-A0	0.58 (0.7)	0.23 (0.5)	.089	0.66
Extensor carpi radialis brevis PPT
A1-A0	0.61 (0.6)	0.15 (0.3)	.019	1.06
A2-A0	0.47 (0.3)	−0.00 (0.3)	.002	1.58
Grip strength
A1-A0	2.60 (3.5)	2.55 (2.5)	.485	0.02
A2-A0	1.25 (2.4)	2.10 (2.6)	.225	0.36

Abbreviations: A₀, baseline assessment; A₁, assessment immediately after the intervention; A₂, assessment a week after the intervention; PPT, pressure pain threshold (kg/cm²); SD, standard deviation.

^aThe Student t test.

^bThe d Cohen (2t/√gl).