Norwegian Arthritis RegistryMedical Birth Registry of NorwayNational Population Registeraxial spondylarthritisrheumatoid arthritispsoriatic arthritisPsARAaxSpAIJD
…ears with PsA (n=2649), RA (n=1716) and axSpA (n=2766) from the Norwegian Arthritis Registry were individually matched 1:5 with men without IJDs obtained fr…