Characterization of Autoantibodies against the E1𝜶 Subunit of Branched-Chain 2-Oxoacid Dehydrogenase in Patients with Primary Biliary Cirrhosis

Table 2

Spearman correlation coefficients between the antibody titers against the individual subunits of BCOADC and PDC.

		BCOADC-E1α	BCOADC-E1β	BCOADC-E2	PDC-E1α	PDC-E2	PDC-E3BP
BCOADC-E1α	Correlation coefficient (𝑟)	—	0.786^*	0.336^*	0.193	0.073	0.044
	P value		0.018	0.043	0.168	0.358	0.413
BCOADC-E1β	Correlation coefficient (𝑟)	0.786^*	—	0.014	0.143	0.214	0.079
	P value	0.018		0.322	0.380	0.322	0.351
BCOADC-E2	Correlation coefficient (𝑟)	0.336^*	0.014	—	0.193	0.144	0.303
	P value	0.043	0.322		0.167	0.237	0.630
PDC-E1α	Correlation coefficient (𝑟)	0.193	0.143	0.193	—	0.339^*	0.655^**
	P value	0.168	0.380	0.167		0.042	0.000
PDC-E2	Correlation coefficient (𝑟)	0.073	0.214	0.144	0.339^*	—	0.649^**
	P value	0.358	0.322	0.237	0.042		0.000
PDC-E3BP	Correlation coefficient (𝑟)	0.044	0.079	0.303	0.655^**	0.649^**	—
	P value	0.413	0.351	0.630	0.000	0.000

NOTE: ^∗𝑃<0.05,^∗∗𝑃<0.01.