Table 3. Meta-regression taking all-cause mortality as an outcome variable.

Statistical test: Wald test

*: significant at a p-value of <0.05

Variables	All-cause mortality
	Coefficient	P-value
Age	0.019	0.095
Number of males	0.0001	0.408
Number of individuals with diabetes	0.0002	0.645
Number of individuals with hypertension	0.0005	0.154
Number of Individuals with dyslipidemia	0.0015	0.115
Year of publication	0.03	0.27
Country of publication	-0.023	0.793