Systematic review reveals unfavorable long-term outcomes in patients with functional motor symptoms, highlighting the need for prospective natural history studies.
Existing follow-up studies of functional motor symptoms give us some insights regarding outcome and prognostic factors but are limited by their largely retrospective and selective nature. Overall, prognosis appears unfavourable. The severity and chronicity of functional motor symptoms argues for larger prospective studies including multiple prognostic factors at baseline in order to better understand their natural history.
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Gelauff et al. (2013) studied this question.
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