Impact of diabetes, angiotensin-converting enzyme inhibitor or angiotensin II receptor blocker use, and statin use on presentation and outcomes in patients with giant cell arteritis.

Diabetic patients with GCA were less likely to have a positive TAB, and more likely to relapse. ARB therapy prior to diagnosis showed an association with success at discontinuing glucocorticoids. Statin therapy did not alter the clinical presentation or course of GCA.