Table 2:

Correlation of RA Autoantibodies with Prevotella copri Antibodies

		ACPA	Rheumatoid Factor
Pc Antibody IgG
	Pc-p27 IgG	r = 0.116, p = 0.3	r = 0.086, p = 0.4
	Pc-ribo IgG	r = 0.172, p = 0.1	r = 0.135, p=0.2
	Pc-DNA bind IgG	r= 0.098, p=0.4	r= 0.026, p=0.8
	Pc-glut IgG	r= 0.051, p=0.6	r= −.0752, p=0.5
	Pc-endo IgG	r= −0.137, p=0.2	r= −.0631, p=0.6
Pc Antibody IgA
	Pc-p27 IGA	r = 0.283, p = 0.008	r = 0.194, p= 0.07
	Pc-ribo IgA	r = 0.251, p = 0.018	r = 0.245, p = 0.02
	Pc-DNA bind IgA	r = 0.006, p = 0.95	r = 0.087, p = 0.42
	Pc-glut IgA	r = 0.271, p = 0.01	r = 0.260, p = 0.014
	Pc-endo IgA	r = 0.112, p = 0.3	r = 0.212, p = 0.047

ACPA, anti-citrullinated protein antibodies. Correlations were performed using a Spearman Test. Values in bold reflect statistically significant correlations.