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The repeatability of physical signs used to assess osteoarthritis of the knee has not been systematically examined. The within and between observer variation of 10 commonly used physical signs to determine osteoarthritis of the knee has been assessed here. The results obtained show variation in the repeatability of these signs. For those examining the tibiofemoral joints the repeatability was greater than for those examining the patellofemoral joint. It would therefore seem vital to take note of the repeatability of physical signs in determining the number of subjects to be studied in epidemiological studies and therapeutic studies in osteoarthritis.

Original publication

DOI

10.1136/ard.49.10.768

Type

Journal article

Journal

Annals of the rheumatic diseases

Publication Date

10/1990

Volume

49

Pages

768 - 770

Addresses

Rheumatology Unit, Bristol Royal Infirmary.

Keywords

Knee Joint, Humans, Osteoarthritis, Observer Variation, Physical Examination, Movement, Middle Aged, Female, Male