Fig. 6From: Does consumption of an aqueous extract of Hibscus sabdariffa affect renal function in subjects with mild to moderate hypertension?Creatinine clearance following the administration of placebo (control), Lisinopril and Hibiscus sabdariffa in mild to moderate hypertensive subjects. Each point on the graph represents the average of at least 25 independent measurements. Error bars SEM. *P < 0.01, ***P < 0.001(Hibiscus sabdariffa vs. placeb. All analyses were performed with two-way ANOVA with the Bonferroni posttest using the GraphPad Prism 5.0 analysis programBack to article page