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Journal of the Korean Academy of Rehabilitation Medicine 2000;24(1):125-131.
Pain and Psychometric Characteristics Related to Disability Evaluation in Patients with Chronic Low Back Pain.
Sohn, Min Kyun , Chae, Jin Mok , Yune, Seung Ho
1Department of Rehabilitation Medicine, Chungnam National University College of Medicine.
2Department of Rehabilitation Medicine, Konyang University College of Medicine.
만성 요통 환자에서 장애 감정 여부에 따른 통증 형태와 심리적 특성
손민균, 채진목, 윤승호1
충남대학교 의과대학 재활의학교실 및 1건양대학교 의과대학
Abstract

Objective
To evaluate the effect of compensation or secondary gain on the pain behavior and psychometric characteristics.


Method
We examined 88 patients who complained of chronic low back pain by the various pain questionnaires, electrodiagnostic study and magnetic resonance imaging (MRI). Total patients were classified into two groups (46 patients who wanted disability evaluation and 42 patients who did not).


Results
Mean score of visual analogue scale, total sum of McGill pain questionnaire and pain rating index on sensory, affective and miscellaneous dimensions were significantly higher in patients related to disability compensation than those in patients without compensation. Mean scores of pain disability index and symptom checklist-90-revision were significantly higher on various subclass in patients with compensation. Various pain scales were significantly correlated to each other in both group but the severity of electrodiagnostic study and MRI findings were not related with the degree of pain index score in both group.


Conclusion
Compensation or secondary gain affect pain behavior and psychometric characteristics in chronic low back patients. So when we evaluate or treat the patients with chronic low back pain, we should consider above results.

Key Words: Disability evaluation, Chronic low back pain, McGill pain questionnaire, Pain disability index


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