Adult 4 Argentina 4 Disability Evaluation 4 Female 4 Humans 4 Logistic Models 4 Male 4 Middle Aged adult 4 article 4 comorbidity 4 controlled study 4 disability 4 disease activity 4 female 4 human 4 major clinical study 4 male 4 priority journal 4 Ankylosing spondylitis 2 Antirheumatic Agents 2 Arthritis, Rheumatoid 2 Case-Control Studies 2 Cohort Studies 2 Comorbidity 2 Depression 2 Disability 2 Disease Progression 2 Employment 2 Fatigue 2