Fig. 3

Patients grouped according to severity of lung function combined with the respective immunosuppression (IS) and clinical parameters. never IS patients who had never taken immunosuppressant drugs, FVC forced vital capacity, DLCO diffusing capacity of the lung for carbon monoxide, SB single breath, MTX methotrexate, GC glucocorticoid, AZA azathioprine, MMF mycophenolate mofetil, CYC cyclophosphamide, PFT pulmonary function test, NYHA New York Heart Association, ACA anti-centromere antibodies, SCL70 anti-topoisomerase I antibody, CRP C-reactive protein