Figure 2.

Meta-analysis of the effect of chocolate/cocoa on (A) systolic blood pressure or (B) diastolic blood pressure. N, number of participants; ΔSBP/ΔDBP, difference in mean SBP/DBP between start and end of intervention; SD, standard deviation; CI, confidence interval

Ried et al. BMC Medicine 2010 8:39   doi:10.1186/1741-7015-8-39
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