Table 1. Correlation^a between antibody levels, eosinophil counts, and disease severity in untreated BP patients.

	BP180 IgG	BP230 IgG	Total IgEb	BP180 IgEc	BP Index/BPDAId
BP180 IgG	–	0.268	0.203	0.370*	0.734***/0.653***
BP230 IgG	0.268	–	0.429**	0.218	0.231/0.201
Total IgE	0.203	0.429**	–	0.331*	0.235/0.117
BP180 IgE	0.370*	0.218	0.331*	–	0.364/0.317
Eos count	0.430**	0.347*	0.273*	0.251	0.364/0.393*

^adetermined using Spearman’s rank correlation coefficient (r) and p = *<0.05, **<0.01, ***0.001.

^breported as IU/ml, normal range ≤100.

^cexpressed as Index Units, positive test ≥19.

^dreported as BP index/BPDAI as described in the Methods.