Dietary Fiber Is Beneficial for the Prevention of Cardiovascular Disease: An Umbrella Review of Meta-analyses

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Published online 2017 Oct 25. doi: [10.1016/j.jcm.2017.05.005]

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Table 4

Effect of High vs Low Fiber Intake on the Incidence of Having a Stroke

Meta-analysis Authors, Year	No. of Studies in Meta-analysis	No. of Participants in Meta-analysis	Main Findings of Meta-analysis	Q Test P Value	I² Statistic	Egger or Begg Test P Value	Quality Assessment and Outcome
Zhang et al, 2013²⁹	11	325 627	RR = 0.83, P < .05	NS	39%	NS	NOS 9/11 high quality

Chen et al, 2013³⁰	6	314 864	RR = 0.87, P < .05	NS	36%	NS	NOS 6/6 high quality

Threapleton et al, 2013³¹	7	488 982	RR = 0.93,^aP < .05	P < .05	59%	P = .002

NOS, Newcastle-Ottawa scale; NS, not significant; RR, relative risk.

^a7 g/d.