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. 2017 Mar 20;5:34. doi: 10.1186/s40168-017-0252-z

Fig. 2.

Fig. 2

Alpha diversity index, a observed species and b Chao1 index of control subjects or Systemic Lupus Erythematosus patients (SLE) with chronic periodontitis (CP) or Non-CP (NCP). *Statistically different compared to NCP subjects within the same group. #Statistically different compared to Control group. p < 0.05, Kruskal-Wallis test with Dunn’s post hoc test. Alpha diversity metrics were calculated after subsampling to obtain equal number of sequences per library