Efficacy of the LED Red Light Therapy in the Treatment of Temporomandibular Disorders: Double Blind Randomized Controlled Trial

Table 2

Comparison of the effect size between group A and B in pain reduction.

Periods	Effect size	Effect size
	Group A	Group B
Base line visit	0.56874	0.617133
2nd visit
Base line visit	1.23359	0.993695
3rd visit
Base line visit	1.956287	1.204716
4th visit

=Dunn-Sidak adjustment, effect size=0.2 small, 0.5 medium, 0.8 large.