An update on the Bath Ankylosing Spondylitis Disease Activity and Functional Indices (BASDAI, BASFI): excellent Cronbach's alpha scores

MeSH terms

• Age of Onset
• Aged
• Arthritis, Rheumatoid / drug therapy*
• Arthritis, Rheumatoid / epidemiology*
• Dose-Response Relationship, Drug
• Female
• Humans
• Male
• Methotrexate / administration & dosage*
• Methotrexate / adverse effects
• Methotrexate / therapeutic use