Table 1.

Collection Methods for Fecal Samples and Number of Aliquots Used for Microbiome Analyses, Mayo Clinic, Rochester, Minnesota, 2014

Collection Method	No. Frozen Immediately (Day 0)	No. Frozen After 4 Days (Day 4)
No additive	2	0
RNAlater	2	2
95% ethanol	2	2
FOBT carda	1	1
FIT tube	2	2

Abbreviations: FIT, fecal immunochemical test; FOBT, fecal occult blood test.

^a The FOBT card was a triple-slide (3-window) card that was developed with peroxide at day 0 or day 4. Three windows were used per card, and each window was considered a separate aliquot.