TABLE 1.
Group 1: Direct and indirect immunofluorescence assays in intraepidermal blistering diseases
| Bullous disease (group 1) | n (patients) | n (positive DIF) | DIF: intercellular deposits (conjugate=n) | DIF: BMZ deposits (conjugate=n) | DIF: cytoid bodies (conjugate=n) | Positive IIF/Performed IIF |
|---|---|---|---|---|---|---|
| PF | 117 | 115 | IgG=110 | IgM=14 | IgM=6 | 104/115 |
| C3=85 | ||||||
| PV | 142 | 135 | IgG=130; | IgG-4;C3-8 | IgM-4 | 109/115 |
| C3=113 | ||||||
| IgM=11 | ||||||
| PNP | 3 | 2 | IgG=2 | C3=1 | - | 2/3 |
| C3=1 | ||||||
| IgA | 8 | 8 | IgG=1 | IgM=1 | - | 1/8 |
| IgA=8 | ||||||
| Hailey-Hailey disease | 7 | 1 | IgG=1 | IgG=1 | - | 0/5 |
Legend: DIF: direct immunofluorescence; IIF: indirect immunofluorescence; PF: pemphigus foliaceus, PV: pemphigus vulgaris, PNP: paraneoplastic pemphigus, IgA: IgA pemphigus.