Table 2

Univariate logistic regression models to distinguish subjects with PMR from comparison subjects

PMR vs all comparison subjectsPMR vs RAPMR vs shoulder conditions*
VariableOdds ratio (95% CI)cOdds ratio (95% CI)cOdds ratio (95% CI)c
Duration of symptoms ≥2 weeks1.1 (0.3 to 4.0)0.501.3 (0.2 to 7.3)0.500.6 (0.1 to 5.4)0.51
Shoulder pain or limited range of motion2.1 (0.7 to 6.8)0.521.3 (0.2 to 7.3)0.501.9 (0.4 to 8.6)0.51
Shoulder tenderness1.1 (0.7 to 1.9)0.510.7 (0.3 to 1.7)0.521.8 (0.9 to 3.6)0.56
Hip pain or limited range of motion2.5(1.5 to 3.9)0.613.0 (1.5 to 6.0)0.634.4 (2.1 to 9.1)0.67
Hip tenderness2.3 (1.4 to 3.8)0.602.8 (1.3 to 5.8)0.614.3 (1.9 to 9.5)0.65
Neck aching1.1 (0.7 to 1.8)0.510.9 (0.5 to 1.8)0.511.2 (0.6 to 2.3)0.52
Morning stiffness duration >45 min4.5 (2.6 to 7.7)0.671.5 (0.7 to 3.3)0.5413.6 (6.0 to 31)0.79
Weight loss >2 kg1.8 (1.1 to 3.0)0.561.2 (0.6 to 2.4)0.526.8 (2.3 to 19.9)0.64
Carpal tunnel syndrome1.0 (0.5 to 1.8)0.500.6 (0.3 to 1.5)0.54
Peripheral synovitis (distal swelling, tenosynovitis or arthritis)0.7 (0.5 to 1.2)0.540.1 (0.08 to 0.3)0.722.4 (1.1 to 5.0)0.59
Other joint pain0.5 (0.3 to 0.9)0.570.2 (0.1 to 0.4)0.670.8 (0.4 to 1.5)0.53
Abnormal CRP and/or ESR13.8 (5.3 to 36)0.674.0 (1.2 to 13)0.5533.5 (11 to 98)0.78
Presence of RF and/or ACPA0.4 (0.2 to 0.7)0.570.2 (0.07 to 0.4)0.660.9 (0.3 to 2.6)0.51
Abnormal serum protein electrophoresis2.0 (1.1 to 3.6)0.581.9 (0.8 to 4.8)0.582.0 (0.8 to 5.1)0.59
MHAQ (per 1 unit increase)2.3 (1.6 to 3.4)0.661.3 (0.7 to 2.2)0.556.7 (3.2 to 14)0.78
  • ACPA, anticitrullinated protein antibody; c, c-statistic; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; MHAQ, modified health assessment questionnaire; PMR, polymyalgia rheumatica; RA, rheumatoid arthritis; RF, rheumatoid factor.

  • * Bilateral rotator cuff syndrome and/or adhesive capsulitis, rotator cuff tear, glenohumeral osteoarthritis.