International Journal of Rheumatology / 2013 / Article / Tab 2

Clinical Study

Validation of a Prediction Rule for the Diagnosis of Rheumatoid Arthritis in Patients with Recent Onset Undifferentiated Arthritis

Table 2

Diagnosis fulfilled by patients with early arthritis after followup.

DiagnosisNumber of patients%

Rheumatoid arthritis3740.7
Undifferentiated arthritis2830.8
Polymyalgia rheumatica44.40
Psoriatic arthritis44.40
Osteoarthritis35.26
Sjogren’s Syndrome22.20
Sarcoidosis11.10
Other 1213.18

Total91100