Table 4

Multivariable analysis. risk factors for hospital admission related to COVID-19 in patients with AIRD

VariableOR95% CIP value
Gender, women0.450.15–1.290.14
Age (years)1.081.04–1.130
AIRD (systemic autoimmune conditions vs chronic inflammatory arthritis)3.551.30–9.670.01
COVID comorbidities (yes)1.820.69–4.800.22
  • Systemic autoimmune conditions (polymyalgia rheumatica; mixed connective tissue disease, systemic sclerosis, Sjogren’s syndrome, vasculitis, Raynaud, polymyositis polychondritis, sarcoidosis, antiphospholipid syndrome; autoinflammatory syndromes and systemic lupus erythematosus) vs chronic inflammatory arthritis (rheumatoid arthritis; inflammatory polyarthritis; juvenile idiopathic arthritis, psoriatic arthritis, axial spondyloarthritis, uvetis and inflammatory bowel disease). Comorbidities including the presence of at least one of the follows: hypertension, heart disease, vascular disease, diabetes mellitus, venous thrombosis/lung embolism, chronic kidney disease, liver disease and lung disease (ILD/COPD).

  • AIRD, autoimmune inflammatory rheumatic disease; ;COPD, chronic obstructive pulmonary disease; ILD, interstitial lung disease.