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Concordance, estimated using Spearman correlation coefficients, of fecal samples that were collected with ethanol, FOBT, or FIT and frozen on day 0 with fecal samples that were frozen on day 0 with no solution for metabolites with ≥80% detectability in samples with no solution and in samples collected with ethanol, FOBT, or FIT
Abbreviations: NS, no solution; FOBT, fecal occult blood test; FIT, fecal immunochemical test
