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Fatigue in multiple sclerosis: A UK MS-register based study
Multiple Sclerosis and Related Disorders, Volume: 64, Start page: 103954
Swansea University Author: Rod Middleton
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DOI (Published version): 10.1016/j.msard.2022.103954
BackgroundFatigue is a widely experienced, incapacitating symptom of MS. It hinders daily functioning and has deleterious effects on quality of life. The UK MS Register is an online registry of over 20,000 participants with MS. The aim of this study was to estimate the prevalence, predictors, and im...
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BackgroundFatigue is a widely experienced, incapacitating symptom of MS. It hinders daily functioning and has deleterious effects on quality of life. The UK MS Register is an online registry of over 20,000 participants with MS. The aim of this study was to estimate the prevalence, predictors, and impact of fatigue on people with MS using data from the UKMS register.MethodsAll participants who completed the Fatigue Severity Scale (FSS), WebEDSS, Hospital Anxiety and Depression Scale (HADS) within 28 days of each other were selected from the UK MS Register. Data on age, gender, duration and type of MS, use of disease modifying drugs and comorbidities were obtained from the UKMS register. We categorised people with FSS score of 5 or more as with fatigue and those with scores of 4 or less as without fatigue. Descriptive statistics and logistical and multiple regressions were used to explore predictors of fatigue and the effect of fatigue on mobility (MS Walking Scale), physical and psychological aspects of life (MS Impact Scale) and quality of life (European Quality of Life 5D-3 L).ResultsAmongst the 20,946 participants of the UK MS registry, 4620 completed FSS. Out of these, 775 (mean age= 54.71 years, SD= 10.90; mean duration of MS diagnosis =13.21 years, SD=9.75) had completed the FSS, Web EDSS and Hospital Anxiety and Depression Scale within 28 days of each other. 427 (55.1%) of pwMS had a FSS score >5 consistent with clinical fatigue. Logistic regression analysis showed that depression (p=<0.001), duration of MS (p = 0.017), secondary progressive MS (p = 0.001) and EDSS (p=<0.001) predicted fatigue. FSS scores had a significant negative impact on both psychological (p > 0.001) and physical (p > 0.001) domains of the MS Impact scale, MS walking scale (p = 0.003) and EQoL (p = 0.005).ConclusionsFatigue was a common symptom amongst people with MS. Depression, longer duration of MS, secondary progressive MS, and high EDSS predicted fatigue. Fatigue had an adverse effect on physical activities, mobility, psychological wellbeing, and quality of life of people with MS.
Multiple sclerosis; Fatigue; Depression; Quality of life; Mobility
Faculty of Medicine, Health and Life Sciences
This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.