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Table 2 Richness, diversity indices and coverage estimation in individual and combined libraries

From: Comparison of oral microbiota in tumor and non-tumor tissues of patients with oral squamous cell carcinoma

  N T Combined
  (n = 10) (n = 10) (n = 20)
No. of clones 414 500 914
Species/phylotypes (S) 57 59 80
Singletons 16 22 21
Doubletons 9 7 13
Chao1 estimator of species richness 71.22 93.57 96.96
Chao1 standard deviation 9.34 20.56 9.69
ACE estimator of species richness 68.59 83.76 97.78
Shannon’s index for diversity (H) 3.37 3.20 3.47
Simpson’s index for diversity (1-D) 0.94 0.92 0.94
Evenness (e^H/S) 0.51 0.42 0.40
Good’s estimator of coverage (%) 96.14 95.6 97.7
  1. N–non-tumor; T–tumor; Combined–non-tumor and tumor; n–number of samples.