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. Author manuscript; available in PMC: 2018 Nov 28.
Published in final edited form as: Nat Genet. 2018 May 28;50(6):790–795. doi: 10.1038/s41588-018-0135-7

Figure 1. Number of measured fecal metabolites.

Figure 1

1116 metabolites were detected in 786 fecal samples. (a) 570 of those were detected in at least 80% of all samples and 345 were detected in less than 80% but more than 20% of all samples. The first were analyzed continuously, while we dichotomized the latter in present/absent. 210 metabolites that were present in less than 20% of the samples were excluded from further analysis. (b) 469 metabolites where observed in both, fecal and blood samples of the sample individuals, while 647 metabolites are unique to feces. 499 of these 647 metabolites were observed in at least 20% of the fecal samples.