Role of diet in stroke incidence: an umbrella review of meta-analyses of prospective observational studies.

BMC Med · 2022 · PMC9128224 · PMID 35606791

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Besides, the intake of dietary fiber had a significant protective effect on ischemic stroke ( RR : 0.85, 95% CI : 0.79–0.91), while failed to reach significance in hemorrhagic stroke ( RR : 0.87, 95% CI : 0.72–1.05) [ 99 , 134 ].

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did not reach statistical significanceno p-value reported

With regard to subgroup evaluation, we observed dietary vitamin C ( RR : 0.77, 95% CI : 0.64–0.92) [ 103 ], vitamin E ( RR : 0.83, 95% CI : 0.69–1.00) [ 106 ], magnesium ( RR : 0.91, 95% CI : 0.87–0.96) [ 114 ], and potassium ( RR : 0.89, 95% CI : 0.81–0.97) [ 123 ] intake protected against ischemic stroke, but did not reach statistical significance in hemorrhagic stroke (vitamin C: RR : 1.07, 95% CI : 0.38–3.00; vitamin E: RR : 1.05, 95% CI : 0.49–2.28; magnesium: RR : 0.93, 95% CI : 0.82–1.06; potassium: RR : 0.95, 95% CI : 0.83–1.09).

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