Fig. 4From: Improvement of intestinal flora: accompany with the antihypertensive effect of electroacupuncture on stage 1 hypertensionInfluence of EA on the relative abundance of microbiota at each level. a The ratio of Firmicutes to Bacteroidetes ratio, and b–d differences at each taxonomic level (phylum, family and genus). All data were expressed as mean ± SD. *P < 0.05, **P < 0.01, ***P < 0.001Back to article page