Korean claims study of 60 315 adult #RA pts (matched 1:5 controls), found risk for nontuberculous mycobacteria pulmonary disease was 3 fold higher in RA (0.23% vs 0.06%; 0.54 vs 0.14/1000PYs). Mostly in seropositive RA (OR 3.77), also males, obese, EtOH use. https://t.co/hJgoD8mnhv