International Journal of Rheumatology / 2013 / Article / Tab 3

Clinical Study

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

Table 3

Variables associated with devolvement of rheumatoid arthritis in univariable analysis.

VariableRelative risk95% CI value

Rheumatoid factor positive3.961.85–8.460.0001
Anti-CCP antibodies positive3.82 2.35–6.2<0.0001
Score van der Helm-van Mil ≥84.82.3–10<0.0001
DAS28 >5.11.01 0.65–1.60.9626
Symmetric involvement0.99 0.67–1.450.9505
Male sex0.730.35–1.520.3945
Older than 60 years0.880.46–1.30.3739
Erythrosedimentation rate >40 mm1.020.59–1.750.9382