Electromagnetic radiation therapy for Parkinson’s disease tremor reduction- systematic reviews and Bayesian meta-analyses for comparing the effectiveness of electric, magnetic and light stimulation methods

Table 2 Assessment of publication bias for different tremor reduction methods

Method	Egger’s test		Begg’s test		Thompson’s test
Method	t	P	z	P	t	P
Light therapy	-1.194	0.3	-1.91	0.056	-0.81	0.46
Electrical stimulation	0.213	0.84	-0.08	0.94	0.21	0.84
Magnetic stimulation	0.86	0.43	0.61	0.54	1.30	0.25

ISSN: 1743-0003