1991 Combined Clinical (History, Physical Examination, Laboratory) And Radiographic Classification Criteria for Osteoarthritis of the Hip, Traditional Format*

(See tree format)

Hip pain and at least 2 of the following 3 features:

• ESR<20 mm/hour
• Radiographic femoral or acetabular osteophytes
• Radiographic joint space narrowing (syperior, axial, and/or medial)

*This classification method yields a sensitivity of 89% and a specificity of 91%. ESR = erythrocyte sedimentation rate (Westergren).

R. Altman, G. Alarcon, D. Appelrouth, D. Bloch, D. Borenstein, K. Brandt, et al. The American College of Rheumatology criteria for the classification and reporting of osteoarthritis of the hip. Arthritis Rheum 1991;34:505--514.