Table 3.

Results of metagenomic analysis.

Sample ID	Sample origin	DNA concentration (ng/μL)	Total reads	Human genome reads	Human genome (%)	Remaining reads after exclusion of human genome	Number of reads for E. coli (rate of total reads)
P1	Small intestine	49.0	17,154,163	16,985,393	99.0	168,770	178 (1.04 × 10−5)
P2	Duodenum	60.0	24,030,443	23,928,673	99.6	101,770	1 (4.16 × 10−8)
P3	Jejunum	25.0	15,064,268	14,758,401	98.0	305,867	141 (9.36 × 10−6)
P4	Ileum	33.8	13,208,642	13,120,565	99.3	88,077	15 (1.14 × 10−6)
P5	Bile duct	0.8	860,450	505,987	58.8	354,463	522 (6.07 × 10−4)
P6	Pancreas	1.3	915,292	14,028	1.5	901,264	18 (1.97 × 10−5)
P7a	Jejunum	10.9	9,829,707	9,082,885	92.4	746,822	95,875 (9.75 × 10−3)
P8	Left colon	0.1	9,645	9,331	96.7	314	0
P9	Left colon	27.5	23,918,080	23,401,541	97.8	516,539	21 (8.78 × 10−7)
P10	Gallbladder	27.2	18,710,915	18,626,399	99.5	84,516	12 (6.41 × 10−7)

^aE. coli was detected in only P7 by the multiplex PCR system.