Fig. 2From: Association of APP gene polymorphisms and promoter methylation with essential hypertension in Guizhou: a case–control studyAnalysis of methylation results. A Boxplot of methylation levels at CpG sites in the APP gene promoter (n = 119). B Heatmap of cluster analysis of methylation results (n = 119). C Differences in CpG_1 methylation level between women with hypertension and control groups (n = 59). D Differences in CpG_11 methylation level between women with hypertension and control groups (n = 59). *P < 0.05. **P < 0.01Back to article page