. Author manuscript; available in PMC: 2020 Sep 9.

Published in final edited form as: J Am Acad Dermatol. 2020 Feb 14;83(1):172–178. doi: 10.1016/j.jaad.2020.02.020

Table III.

Comparison of C3d, direct immunofluorescence (DIF), and indirect immunofluorescence receiver operating characteristic (ROC) curve area

Diagnostic test	ROC curve area	95% CI	P value^*
C3d	0.85	0.76–0.94	.76
DIF	0.81	0.72–0.91
IIF	0.85	0.76–0.94

CI, Confidence interval.

Comparison among the areas under the ROC curve using enzyme-linked immunosorbent assay as the gold standard