correction

Trial By Error: A Letter Seeking a Correction in FMD Physiotherapy Paper

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By David Tuller, DrPH I have recently written about a trial of an intervention for functional motor disorder (FMD) that had null results for its primary outcome—physical function as rated by the SF-36. The study–“Specialist Physiotherapy for functional motor disorder in England and Scotland (Physio4FMD): a pragmatic, multicentre, phase 3 randomised controlled trial,” published by …

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Trial By Error: Letter to Journal about Inflated Claims of FND Prevalence

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By David Tuller, DrPH I have spent some time trying to correct the record on the reported prevalence of functional neurological disorder (FND). As I have documented, leaders of the FND field have spent the last decade misrepresenting the findings of a seminal 2010 study, Stone et al, to claim that this diagnosis is the …

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Trial By Error: FND Experts Agree To Correct Inflated Prevalence Claim

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By David Tuller, DrPH For years, experts in functional neurological disorder (FND) have cited a seminal study in their field to claim that the diagnosis was the second-most-common presentation at outpatient neurology clinics, with a prevalence of 16%. This claim was, and is, categorically untrue. The Scottish Neurological Symptoms Study (SNSS), which yielded multiple papers …

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