Table 2.

American College of Rheumatology scoring criteria¹⁴

Criterion	Definition
Age at disease onset >50 years	Development of symptoms or findings beginning at age 50 or older
New headache	New onset or new type of localised pain in the head
Temporal artery abnormality	Temporal artery tenderness to palpation or decreased pulsation, unrelated to arteriosclerosis of cervical arteries
Elevated ESR	ESR >50mm/hour
Abnormal artery biopsy	Vasculitis, mononuclear cell predominance, granulomatous inflammation, multinucleated giant cells

ESR = erythrocyte sedimentation rate