Case | Autoantibodies | Farmer’s/avian pptn | Aspergillus | Pulmonary physiology pattern | TL,CO % |
1 | No | No | No | Restrictive | 62.5 |
2 | RF positive | Not performed | Not performed | Restrictive | Not performed |
3 | Antiribosomal Ab positive | No | No | Restrictive | 73 |
4 | No | Restrictive | 31.2 | ||
5 | ANCA positive (crescentic glomerulonephritis), RF positive, anti-CCP Ab positive | No | No | Restrictive | 44 |
6 | No | Restrictive | 55 | ||
7 | No | No | No | Restrictive | 57.1 |
8 | ANF-IF speckled nuclei, equivocal dsDNA Ab, cardiolipin IgM Ab positive | No | IgG positive | Restrictive | 35 |
9 | No | No | No | Normal | 107.7 |
10 | No | A. fumigatus type 1 pptn positive | Restrictive | 39.5 | |
11 | RF positive | No | No | Restrictive | 22.3 |
12 | No | Restrictive | 44 |
pptn: precipitin; TL,CO: transfer factor of the lung for carbon monoxide; RF: rheumatoid factor; Ab: antibody; ANCA: anti-neutrophil cytoplasmic antibody; CCP: cyclic citrullinated peptide; ANF-IF: anti-nuclear factor immunofluorescence; dsDNA: double-stranded DNA; Ig: immunoglobulin.