Development and Evaluation of an In-House ELISA to Detect Anti-FcεR1α IgG Autoantibodies in Chronic Spontaneous Urticaria Patients

Table 2

Youden’s index determines cut-off values.

Cut off value	Sensitivity	Specificity	Youden’s index
>920.0	77.25	87.27	164.52
>922.2	77.25	89.09	166.34
>927.0	76.82	89.09	165.91
>931.2	76.39	89.09	165.48
>936.7	76.39	90.91	167.30
>942.1	75.97	90.91	166.88
>949.7	75.11	90.91	166.02
>963.8	74.68	90.91	165.59
>978.0	74.25	90.91	165.16