Pre-existing anxiety, depression, and neurological disability is associated with long COVID: A prospective and longitudinal cohort of the United Kingdom Multiple Sclerosis Register
Abstract
Objectives
To assess the prevalence of long COVID among people with multiple sclerosis (MS) and its predictors, including their pre-COVID-19 functional status.
Design
Community-based prospective and longitudinal cohort study
Setting
The United Kingdom (UK) MS Register (UKMSR) COVID-19 study
Participants
A national cohort of people with MS and COVID-19
Main outcome measures
Participants used the online questionnaire-based platform of the UKMSR to update their COVID-19 symptoms, recovery status, and duration of symptoms for those who had fully recovered. Questionnaires were date-stamped for estimation of COVID-19 symptom duration for those who had not recovered at their last follow-up. The UKMSR holds demographic and up-to-date clinical data on participants as well as their web-based Expanded Disability Status Scale (a measure of physical disability in MS) and Hospital Anxiety and Depression Scale scores. The association between these factors and recovery from COVID-19 was assessed using multivariable Cox regression analysis.
Results
Out of 7,977 people with MS who participated in the UKMSR COVID-19 study, 599 had COVID-19 and updated their recovery status prospectively. At least 181 participants (31.1%) had long-standing COVID-19 symptoms for ≥4 weeks and 76 (13.1 %) for ≥12 weeks. Participants with higher levels of pre-COVID-19 physical disability, participants with anxiety and/or depression prior to COVID-19 onset, and women were less likely to report recovery from COVID-19.
Conclusions
Long COVID appears to disproportionately affect people with pre-existing mental health problems or physical disabilities. As post-COVID-19 rehabilitation services are being developed, individualised pathways should be considered to accommodate the needs of these vulnerable populations.
Trial Registration
<ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://ClinicalTrials.gov">ClinicalTrials.gov</ext-link> : <ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="clintrialgov" xlink:href="NCT04354519">NCT04354519</ext-link>
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