Table 4.

Relative abundance at the genus level in patients with dCCA and the onset of common bile duct stones.

Genus	mean (group_T)	sd (group_T)	mean (group_C)	sd (group_C)	p value
Staphylococcus	0.1065	0.2852	0.0320	0.1476	0.0002
Okibacterium	0.0055	0.0051	0.0011	0.0048	0.0004
Corynebacterium	0.0043	0.0071	0.0002	0.0004	0.0009
Sphingomonas	0.0047	0.0035	0.0006	0.0014	0.0018
Stenotrophomonas	0.0119	0.0110	0.0016	0.0042	0.0021
Acidovorax	0.0008	0.0009	0.0002	0.0006	0.0026
Gemmiger	0.0049	0.0071	0.0004	0.0010	0.0027
Providencia	0.0030	0.0067	0.0009	0.0041	0.0027
Comamonas	0.0071	0.0079	0.0006	0.0022	0.0028
Methylobacterium	0.0011	0.0009	0.0003	0.0005	0.0029

The dCCA group (Tumor group, T), the new onset of CBD stones group (CBD stones group, C), and recurrent CBD stones group (Post-ERCP CBD stones group, P) denoted as “Group T”, “Group C”, and “Group P”, respectively, in the table.