Table 2

Prevalence of individual 2012 provisional classification criteria for PMR at first visit in patients and controls (all age 50 years or older)

PMR patients (n=136)Total control group (n=149)RA patients (n=94)p (1 vs 2)p (1 vs 3)
Clinical criteria
 Bilateral shoulder aching96.332.932.3<0.001<0.001
 Elevated ESR and/or CRP98.867.871.9<0.001<0.001
 Morning stiffness >45 min91.246.358.3<0.001<0.001
 Hip pain or limited range of motion74.316.817.1<0.001<0.001
 Absence of RF or ACPA97.870.341.7<0.001<0.001
 Absence of other joint involvement61.87.41<0.001<0.001
US criteria
 At least one shoulder and at least one hip inflamed*<0.001<0.001
 Both shoulder inflamed†76.514.112.2<0.001<0.001
  • Numbers are percentage of positive patients.

  • *At least one shoulder with subdeltoid bursitis and/or biceps tenosynovitis and/or glenohumeral synovitis and at least one hip with synovitis and/or trochanteric bursitis.

  • †Both shoulders with subdeltoid bursitis, biceps tenosynovitis or glenohumeral synovitis.

  • ACPA, anticitrullinated protein antibodies; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; PMR, polymyalgia rheumatica; RA, rheumatoid arthritis; RF, rheumatoid factor; US, ultrasound.