Table 1.

Different sets of criteria for the diagnosis and classification of PMR

	Bird criteria, 1979	Jones and Hazleman criteria, 1981	Chuang and Hunder criteria, 1982	Healey criteria, 1984	ACR/EULAR criteria, 2012
Disease onset	Onset of illness within 2 weeks	Disease duration >2 months	Bilateral aching and stiffness ≥ 1 month in two of the following: neck/torso, shoulders/upper arms, hips/thighs	Persistent pain ≥1 month in two of the following: neck, shoulders, pelvic girdle
Morning stiffness	Morning stiffness >1 h	Morning stiffness >1 h		Morning stiffness >1 h	Morning stiffness >45 min (two points)
Shoulder/pelvic/hip pain	Bilateral shoulder pain with/without stiffness	Shoulder or pelvic girdle pain without muscle weakness			Hip pain/restricted range of motion (one point)
Upper arm tenderness	Bilateral upper arm tenderness
Exclusions by signs/symptoms/laboratory values		Absence of objective signs of muscle disease			Absence of other joint involvement (one point)
					Absence of RF or anti-CCP antibodies (two points)
Age at onset	Age ≥ 65 years		Age ≥ 50 years
ESR/CRP	Initial ESR ≥40mm/h	ESR >30 mm/h or CRP >6 mg/l	ESR >40 mm/h	ESR >40 mm/h
Absence of other rheumatic diseases		Absence of RA	Exclusion of other diagnosis, with the exception of GCA	Absence of other joint or musculoskeletal diseases
Response to glucocorticoids		Fast and dramatic response to systemic glucocorticoids		Rapid response to prednisolone (≤20 mg/day)
Signs on ultrasonography					If ultrasonography available, ≥ one shoulder with subdeltoid bursitis, biceps tenosynovitis or glenohumeral synovitis (posterior/axillary); and ≥ hip with synovitis/trochanteric bursitis (one point)
					If ultrasonography available, both shoulders with subdeltoid bursitis, biceps tenosynovitis or glenohumeral synovitis (one point)
Depression/weight loss	Depression/weight loss
Requirements for diagnosis	Diagnosis of probable PMR requires at least three of the above criteria	All the above criteria required for diagnosis of PMR	All the above criteria required for diagnosis of PMR	Diagnosis of PMR requires the age of ≥50 years and the fulfilment of at least three criteria	Diagnosis with PMR requires the age of ≥50 years, bilateral shoulder aching, abnormal CRP/ESR levels and at least four points (without ultrasonography)/at least five points (with ultrasonography)