Fig. 1

Treatment of LORA patients with and without CLD. Time variation in the proportion of patients with and without CLD taking MTX, GCs, bDMARDs, Tacrolimus, and SASP or BUC. LORA: late-onset rheumatoid arthritis, CLD: chronic lung disease, MTX: methotrexate, GCs: glucocorticoids, bDMARDs: biological disease-modifying antirheumatic drugs (Infliximab, Etanercept, Adalimumab, Golimumab, Certolizumab, Tocilizumab, Abatacept), SASP: Salazosulfapyridine, BUC: Bucillamine