Table 2.

Coverage and alpha diversity (mean ± standard error) in patient samples prior to and following VSG with routine antibiotics (RVSG), VSG with intravenous Vancomycin (VVSG), or caloric restriction (CR).

Arm	Time point	Coverage (%)	*Sobs	Shannon
RVSG	Pre	99.3 ± 0.1	421 ± 31	3.82 ± 0.11A
	Post	99.5 ± 0.1	342 ± 35	3.43 ± 0.15A
VVSG	Pre	99.5 ± 0.0	317 ± 15	3.45 ± 0.15A
	Post	99.7 ± 0.0	239 ± 14	2.87 ± 0.15B
CR	Pre	99.3 ± 0.1	379 ± 29	3.64 ± 0.08A
	Post	99.4 ± 0.0	366 ± 24	3.43 ± 0.19A,B

*S_obs—number of OTUs observed.

^A,BValues sharing the same superscript did not differ significantly by post-hoc test.