Table 3.

The p value of meta-regression

	OHCA at home	Bystander-witnessed	Bystander CPR	Initial shockable rhythm	Sustained ROSC
A	0.125	0.156	0.34	0.039	0.35
B	0.496	0.116	0.906	0.001	0.012
C	0.283	0.672	0.72	0.026	0.117

A = meta-analysis of the sex differences in survival from OHCA to admission; B = meta-analysis of the sex differences in survival from OHCA to discharge; C = meta-analysis of the sex differences in neurological prognosis