Table 1 Overview of operational taxonomical unit (OTU) counts in each sample type
From: Evaluating gut microbiota profiles from archived fecal samples
Sample groups | No. of samples | Mean no. contigs | Min no. contigs | Max no. contigs | Mean OTUs >  9 counts | Mean OTUs >  4 counts | Mean OTUs >  0 counts | Samples > 200 OTUs in total (%) | Samples > 500 OTUs in total (%) |
|---|---|---|---|---|---|---|---|---|---|
iFOBT | 49 | 84,861 | 5788 | 386,376 | 43 | 72 | 515 | 47 (96%) | 46 (94%) |
Archived (NORCCAP) | 52 | 64,830 | 238 | 925,009 | 34 | 56 | 483 | 42 (81%) | 36 (69%) |
Fresh | 8 | 314,252 | 87,303 | 751,297 | 109 | 158 | 770 | 8 (100%) | 8 (100%) |
Fresh (room temp 48Â h) | 8 | 286,571 | 56,485 | 646,383 | 79 | 120 | 547 | 8 (100%) | 8 (100%) |
ENC | 6 | 151 | 21 | 2129 | 0 | 0 | 8 | 0 (0%) | 0 (0%) |
Negative controls | 12 | 395 | 1 | 4486 | 0 | 0 | 10 | 0 (0%) | 0 (0%) |