Table 3.

Results of Meta-regression analysis of MD.

ES	Exp(b)	Std. Err.	t	P>|t|	95% Conf. Interval
Gender	0.588972	0.2152843	−1.45	0.181	0.2576243	1.346488
Number	0.999438	0.0069255	−0.08	0.937	0.9838937	1.015228
Age	1.053794	0.0250609	2.20	0.055	0.9986002	1.112038
Duration	1.137683	0.1636272	0.90	0.393	0.8217155	1.575146
Allocation	0.221476	0.5390795	0.41	0.693	−1.053244	1.496196