Clinical differentiation between giant cell (temporal) arteritis and Takayasu's arteritis.

To determine whether giant cell (temporal) arteritis (GCA) can be differentiated from Takayasu's arteritis on the basis of clinical findings.A comparative study contrasting 217 patients with GCA to 63 patients with Takayasu's arteritis was conducted, using the prospectively gathered large multicenter data set of the American College of Rheumatology Vasculitis Criteria Databank. Logistic regression and recursive partitioning were used to assess...