Table 1.

Summary statistics for droplet digital PCR (ddPCR) and Illumina MiSeq results by specimen type

	Water	Isolation controls	Rectal swabs
ddPCR 16S copies/sample
Mean	14	3.14*103	9.67*107
Median	15	3.22*103	3.17*106
Minimum	9	1.41*103	1.18*104
Maximum	17	5.21*103	3.23*109
Standard deviation	2.4	1.22*103	3.41*108
Interquartile range	3.3	1.17*103	4.63*107
Illumina MiSeq 16S reads/sample
Mean	7.39*105	5.37*105	7.39*105
Median	8.45*105	5.57*105	7.45*105
Minimum	4.42*105	2.39*105	83
Maximum	9.29*105	7.86*105	1.46*106
Standard deviation	2.60*105	1.73*105	2.23*105
Interquartile range	2.44*105	2.09*105	2.95*105