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Table 2 Average number (±SD) of sequences, phylotypes abundance (OTUs) and Shannon ‘H’ diversity index in the studied samples

From: The complex microbiome from native semen to embryo culture environment in human in vitro fertilization procedure

SamplesNumber of sequences (gene copies/μl)Phylotype abundance (OTUs)Shannon ‘H’ index (diversity)
Semen7911 ± 3562a,b,c81.5 ± 44.533.6 ± 16.5
Washed sperm4100 ± 3931a64.5 ± 38.535.6 ± 7.9
Incubated sperm1692 ± 1296b30.5 ± 12.024.4 ± 4.3
IVF culture media2572 ± 1080c36.2 ± 5.730.6 ± 6.9
  1. ap = 0.038
  2. bp = 0.027
  3. cp = 0.008