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- R B Margolis, J T Chibnall, and R C Tait.
- Department of Psychiatry and Human Behavior, St. Louis University School of Medicine, MO 63104.
- Pain. 1988 Apr 1;33(1):49-51.
AbstractTest-retest reliability of a pain drawing instrument was investigated. Pain drawings of chronic pain patients (n = 51) were scored for percentage of total body surface in pain and location of pain. A test-retest reliability coefficient of r = 0.85 was calculated for a time interval that averaged 71 days. In addition, a percentage of agreement based on distribution of pain over time was calculated at 88.2%. The effect on reliability of age, gender and time-interval differences was investigated. The utility of the pain drawing instrument as a measure of extent of pain and location of pain over time is discussed.
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