A Systematic Review and Meta-Analysis of the Associations between Immigration Status and Stroke Incidence and Mortality

Table 4

Stratified analyses of the pooled HRs according to country/region of origin.

		Random-effects model		Fixed-effects model		Heterogeneity
Immigrant subgroup	Number of studies	HR (95% CI)		HR (95% CI)
Western Europe, Australia, and North America	6	0.83 (0.74–0.94)	0.003	0.70 (0.68–0.72)	<0.001	84.10%	<0.001
Eastern and Middle Europe	4	1.02 (0.86–1.20)	0.831	0.91 (0.86–0.96)	<0.001	87.20%	<0.001
East and Southeast Asia	5	0.85 (0.73–1.00)	0.044	0.72 (0.71–0.74)	<0.001	97.50%	<0.001
Western Asia/Arab countries	5	0.75 (0.64–0.86)	<0.001	0.69 (0.66–0.72)	<0.001	85.70%	<0.001
Latin America	5	1.08 (0.95–1.23)	0.257	0.95 (0.92–0.98)	0.004	89.20%	<0.001
Africa	4	0.89 (0.66–1.19)	0.430	0.89 (0.84–0.94)	<0.001	95.00%	<0.001