Fig. 4From: Effect of soy isoflavone supplementation on blood pressure: a meta-analysis of randomized controlled trialsNon-linear dose-response relationship between intervention duration and unstandardized mean difference in SBP (A) and DBP (B). The 95% CI was presented in the shaded regions. Abbreviation: DBP, diastolic blood pressure; SBP, systolic blood pressure; 95% CI, 95% confidence interval.Back to article page