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Values of sensitivity and specificity calculated for positive and negative controls, biopsy proven pemphigus patients and negative DIF patients groups.
| Group | n | KBA+ | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|
| Positive controls | 50 | 50 | 100 | – |
| D+ I+ E− | 12 | 10 | 83.3 | – |
| D+ I− E+ | 26 | 26 | 100 | – |
| D+ I− E− | 5 | 3 | 60 | – |
| NHS | 10 | 0 | – | 100 |
| D− I+ E− | 28 | 0 | – | 100 |
| D− I− E+ | 32 | 0 | – | 100 |
D, direct immunofluorescence; I, indirect immunofluorescence; E, Dsg ELISA; NHS, normal human subjects; KBA, keratinocyte binding assay.
