Table 1.

Basal characteristics of metagenome sequencing data and alpha diversity of microbial community from ileum and cecum luminal contents

Characteristic	74 wk Ile (n = 7)	74 wk Cec (n = 7)	P-valuea	2 yr Ile (n = 7)	2 yr Cec (n = 7)	P-valuea
Valid read	113,226	94,207	0.277	96,832	78,015	0.180
No. of OTU	494	3,830	0.002	578	3,207	0.004
Good’s library coverage (%)	99.94	99.87	0.004	99.93	99.83	0.002
Alpha diversity
ACE	530.01	3,870.99	0.002	596.49	3,241.47	0.004
Chao1	506.02	3,833.53	0.002	582.06	3,210.47	0.004
Jackknife	561.00	3,947.00	0.002	624.00	3,308.00	0.003
Shannon	1.51	4.85	0.002	1.96	4.69	0.004
Simpson	0.32	0.07	0.002	0.21	0.07	0.009
Beta diversity (inter-set distances to ileum)	0.180	0.251	0.001	0.221	0.285	0.002

Values are presented as median only. Ile, ileum; Cec, cecum; OTU, operational taxonomic unit.

^aWilcoxon rank-sum test.