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. 2022 Jan 16;22:12. doi: 10.1186/s12903-021-01985-3

Fig. 3.

Fig. 3

Alpha diversity of the saliva microbiome in patients with periodontitis and diabetes mellitus (DM) and patients with periodontitis and diabetic nephropathy (DN). (a) Ace index (P = 0.430) and (b) Chao index (P = 0.648) were abundance indices; (c) Shannon index (P = 0.468) and (d) Simpson index (P = 0.724) were diversity indices. The dots in Fig. 3C represent extreme values