Age, sex, diagnosis, current treatment, previous treatments with csDMARDs, b-DMARDs, ts-DMARDs, presence of risk factors for cardiovascular (CV) events, liver disease, infections, extra-articular manifestations such as interstitial lung disease (ILD) for RA, enthesitis, dactylitis, uveitis, inflammatory bowel disease for SpA and PsA, neoplasms, diabetes, presence or absence of rheumatoid factor (RF) and anti-citrullinated peptide antibodies (ACPA) for RA were evaluated. This evidence concerns the gene PRTN3 and infection.