Table 5.

Correlation of specific taxa with psoriasis severity

Group	Subgroup	PASI		BSA		PGA
		ρ	P value a	ρ	P value a	ρ	P value a
Phylum	Acidobacteria	-0.50	0.003*	-0.54	0.032*	-0.33	0.080
	Proteobacteria	-0.33	0.087	-0.03	0.893	-0.43	0.018*
Class	Acidobacteria_Gp4	-0.40	0.029*	-0.20	0.688	-0.29	0.094
	Sphingobacteria	-0.20	0.370	-0.13	0.688	-0.37	0.039*
	Alphaproteobacteria	-0.25	0.244	-0.07	0.751	-0.40	0.035*
	Betaproteobacteria	-0.45	0.018*	-0.21	0.688	-0.39	0.035*
Order	Gp4	-0.40	0.038*	-0.20	0.623	-0.29	0.102
	Sphingobacteriales	-0.20	0.344	-0.13	0.645	-0.37	0.048*
	Bacillales	-0.01	0.954	-0.29	0.501	0.39	0.048*
	Rhizobiales	-0.26	0.332	-0.11	0.645	-0.43	0.033*
	Sphingomonadales	-0.20	0.344	0.04	0.847	-0.34	0.049*
	Burkholderiales	-0.43	0.036*	-0.29	0.501	-0.36	0.048*
Family	Methylobacteriaceae	-0.22	0.491	-0.12	0.856	-0.42	0.038*
	Comamonadaceae	-0.22	0.491	0.07	0.902	-0.51	0.005*
97% OTU	Methylobacterium;484	-0.22	0.346	-0.16	0.705	-0.38	0.036*
	Gp4;3855	-0.45	0.022*	0.05	0.952	-0.32	0.085
	Schlegelella;13613	-0.04	0.927	0.20	0.705	-0.39	0.036*
	Methylobacterium;24283	-0.15	0.704	-0.08	0.912	-0.40	0.036*

^aOnly taxa that are significant at 5% FDR (*) for at least one measure of severity are shown.

BSA body surface area, OTU operational taxonomical unit, PASI Psoriasis Area and Severity Index, PGA physician global assessment.