Skip to main content
. 2007 Nov 9;74(3):575–584. doi: 10.1128/AEM.01221-07

TABLE 5.

Bifidobacterium and Bacteroidales sequence diversity and richness estimators

Parameter Fecal population
Bifidobacterium Bacteroidales
No. of sequences 356 366
No. of OTUs (98%) 22 116
No. of singletons 5 85
Chao 1 estimator of OTU richness 28 455
Chao 1 95% confidence interval 23-62 280-821
ACE estimator of OTU richness 28 1,089
ACE SD 0.4 121
Shannon's index of diversity 2.5 3.7
Simpson's index of diversity 9.5 16.1