Table 2– Laboratory data

Case	Autoantibodies	Farmer’s/avian pptn	Aspergillus	Pulmonary physiology pattern	T_L,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; T_L,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.