Fig. 5From: Profiles of subgingival microbiomes and gingival crevicular metabolic signatures in patients with amnestic mild cognitive impairment and Alzheimer’s diseaseCorrelations between candidate biomarkers and clinical indices. Heatmap of candidate biomarkers with clinical indices. Spearman’s rank correlation between five differential species, 19 differentially abundant metabolites, and 11 clinical indices. Blue and red classes denote negative correlation and positive correlation, respectively. *Correlation coefficient r > 0.3Back to article page