Skip to main content

Table 3 Mean within sample diversity (alpha diversity) in induced versus spontaneous sputum in COPD by different alpha diversity indices

From: Comparing microbiota profiles in induced and spontaneous sputum samples in COPD patients

  All samples Exacerbation Stable state
Diversity Indices Induced Spontaneous pa Induced Spontaneous pa Induced Spontaneous pa
Faith’s Phylogenetic Diversity
 mean (std) 56.9 (9.3) 56.2 (8.6) 0.7 57.3 (9.5) 56.2 (8.8) 0.7 57.1 (8.5) 56.6 (8.4) 0.9
Chao1
 mean (std) 646.5 (116) 638.3 (107.5) 0.7 655.0 (118.5) 642.1 (105.1) 0.7 640.8 (110.4) 643.6 (105.3) 0.9
Observed OTUs
 mean (std) 543.2 (104.9) 528.8 (106.1) 0.6 552.9 (105) 534.3 (107.1) 0.6 531.6 (102.4) 527.7 (103.2) 0.9
  1. aNon-parametric two-sample t-test using Monte Carlo permutations