Composition of microbiota regarding dominant and sub dominant bacteria groups according to the colonoscopy and pathology results.

n: represents the numbers of studied samples. *All-bacteria results obtained by qPCR were expressed as mean of the log10 value ± SD. †Results were expressed as mean of normalized values ± SD, calculated as the log number of targeted bacteria minus the log number of all-bacteria. ‡Faecalibacterium prausnitzii is the major component of the Clostridium leptum group.