Table 2.

Results of Meta-regression analysis of hemorrhage.

ES	Exp(b)	Std. Err.	t	P>|t|	95% Conf. Interval
Gender	1.084278	0.3182035	0.28	0.788	0.5683549	2.06853
Number	0.999757	0.0051021	−0.05	0.963	0.9885902	1.01105
Age	1.01234	0.0210653	0.59	0.568	0.9670209	1.059782
Duration	1.057154	0.0934905	0.63	0.543	0.8701703	1.284316