The Differences Between PsA, RA, Osteo and Gout are in the chart below (in terms of symptoms) i arrached the chart in a word document that will print with gridlines etc.
|
Psoriatic arthritis |
Rheumatoid arthritis |
Inflammatory osteoarthritis |
Gout |
Distal interphalangeal joint involvement |
Common |
Uncommon |
Common |
Uncommon |
Symmetry |
Less Common |
Common |
Uncommon |
Uncommon |
Erythema of joint |
Common |
Uncommon |
Uncommon |
Common |
Tenderness |
Mild |
Severe |
Mild |
Severe |
Back involvement |
Common |
Uncommon |
Uncommon |
Uncommon |
Skin lesions |
Always |
Uncommon |
Uncommon |
Uncommon |
Nail lesions |
Common |
Uncommon |
Uncommon |
Uncommon |
Dactylitis |
Common |
Uncommon |
Uncommon |
Uncommon |
Enthesitis |
Common |
Uncommon |
Uncommon |
Uncommon |
Rheumatoid nodules |
Never |
Common |
Uncommon |
Uncommon |
Rheumatoid factor |
Uncommon |
Common |
Uncommon |
Uncommon |
Osteopenia |
Less common |
Common |
Uncommon |
Uncommon |
Periostitis |
Common |
Rare |
Uncommon |
Uncommon |
Pencil in cup change |
Common |
Rare |
Uncommon |
Uncommon |
Ankylosis |
Common |
Rare |
Uncommon |
Uncommon |
Sacroiliitis |
50% |
Rare |
Uncommon |
Uncommon |
Quality of life |
Reduced |
Reduced |
Reduced |
? |
Function |
Reduced |
Reduced |
Reduced |
? |