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Clinical Trial
. 1998 Jun;76(3):417-426.
doi: 10.1016/S0304-3959(98)00074-8.

A comparative study of iatrogenesis, medication abuse, and psychiatric morbidity in chronic pain patients with and without medically explained symptoms

Kyriaki Kouyanou  1 , Charles E Pither, Sophia Rabe-Hesketh, Simon Wessely
Affiliations
Clinical Trial

A comparative study of iatrogenesis, medication abuse, and psychiatric morbidity in chronic pain patients with and without medically explained symptoms

Kyriaki Kouyanou et al. Pain. 1998 Jun.

Abstract

We report a case control study comparing patients attending a pain clinic whose symptoms were not considered medically explained (cases) with those whose symptoms were considered medically explained (controls). Principal comparisons were psychiatric morbidity, medication use, and iatrogenic factors assessed by interview, and questionnaire measures of anxiety, depression, functional impairment, coping strategies and pain beliefs. Medically unexplained symptoms were associated with the presence of psychiatric morbidity (odds ratio = 3.4, 95% C.I.: 1.4,8.2), and of possible iatrogenic factors. There were no significant differences with regards to medication abuse/dependence.

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