Autoimmune serology | DLCO <45% pred# | DLCO ≥45% pred¶ | p-value |
Antinuclear antibodies | 13 (38) | 16 (20) | 0.063 |
Anti-double stranded DNA | 0 (0) | 1 (2) | 0.998 |
Anti-extractable nuclear antigen | 2 (7) | 2 (3) | 0.188 |
Antineutrophil cytoplasmic antibody | 0 (0) | 6 (10) | 0.998 |
Data are presented as n (%). The p-values are from binary logistic regression analysis corrected for age. #: n = 34; ¶: n = 81.