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J Rheumatol. 1995 Jun;22(6):1124-9.

The evaluation of pain in patients with knee osteoarthritis: the knee pain scale.

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1
Department of Health and Sport Science, Bowman Gray School of Medicine, Wake Forest University, Winston-Salem, North Carolina, USA.

Abstract

OBJECTIVE:

To develop and validate a knee pain scale (KPS) for use with osteoarthritis (OA) of the knee.

METHODS:

Patients with documented evidence of knee OA completed the KPS and a test battery including measures of physical functioning, physical performance, and depression. Analyses were conducted to confirm the 4-factor structure of the measure, determine alpha reliabilities, assess the test-retest reliability, and examine the construct validity of the KPS.

RESULTS:

Confirmatory factor analysis revealed that the KPS has 4 subscales, including frequency and intensity of pain experienced during both ambulation/climbing and transfer activities. All reliabilities were in excess of 0.80 and the subscales of the KPS shared expected variance with both self-reported and objective indices of dysfunction.

CONCLUSION:

The KPS has good psychometric properties for assessing pain experienced in conjunction with the performance of activities of daily living. Although at present it is a research tool, with further study it should prove valuable in clinical practice as well.

PMID:
7674241
[Indexed for MEDLINE]
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