Table 2.

ROC Analysis of Site-Specific Microbiotas for Classification of Patients With IBD, CD, or UC vs Healthy Control Patients

Site	IBD—AUC (mean)	IBD—AUC (SD)	CD—AUC (mean)	CD—AUC (SD)	UC—AUC (mean)	UC—AUC (SD)
Saliva	0.726	0.106	0.694	0.131	0.751	0.128
Buccal	0.703	0.120	0.660	0.113	0.685	0.119
Stool	0.669	0.110	0.639	0.113	0.744	0.136
Plaque	0.667	0.125	0.696	0.132	0.654	0.137
Tongue	0.652	0.110	0.647	0.103	0.730	0.139

Mean is the average of 100 random splits between the respective group and healthy control patients.