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[This corrects the article DOI: 10.1371/journal.pone.0293848.].
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WHAT IS THIS SUMMARY ABOUT?: This summary describes how researchers worked with people with multiple sclerosis (MS), neurologists and measurement experts to create an easy-to-use questionnaire to measure the physical function of people with MS. This questionnaire covers topics that are relevant and important to people with MS and their doctors.The ability to do what you want to do, when you want to do it, is one of the most important concerns for people with MS. This questionnaire could help doctors to record and manage how much MS affects people's lives.MS can bring a range of challenging symptoms such as 'brain fog', tiredness, and problems with movement and balance. Many of these symptoms can make day-to-day activities, like working, very difficult for people with MS. Doctors currently use examinations like the Expanded Disability Status Scale (EDSS) and the MS Functional Composite (MSFC), but these do not fully consider what is important to people living with MS. A questionnaire that specifically measures physical functioning of people with MS could help doctors and people with MS to better understand, communicate and manage the physical effects of MS. In this study, people with MS were asked to help create a questionnaire about physical function that reflects topics that are important to them. WHAT WERE THE RESULTS?: The PROMIS®nq physical function - Multiple Sclerosis 15a (the PROMIS® PF MS questionnaire) was successfully created with the help of people with MS. People with MS thought that the PROMIS® PF MS questionnaire covered issues important to their physical function. Scores were in line with results of other physical symptom measurement scales like the EDSS. WHAT DO THE RESULTS MEAN?: The PROMIS® PF MS questionnaire could be used to meaningfully record physical function among people with MS.
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ABSTRACT: Establishing clinically meaningful changes in pain experiences remains important for clinical trials of chronic pain treatments. Regulatory guidance and pain measurement initiatives have recommended including patient-reported global assessment measures (eg, Patient-Global Impression of Change [PGIC]) to aid interpretation of within-patient differences in domain-specific clinical trial outcomes (eg, pain intensity). The objectives of this systematic review were to determine the frequency of global assessment measures inclusion, types of measures, domains assessed, number and types of response options, and how measures were analyzed. Of 4172 abstracts screened across 6 pain specialty journals, we reviewed 96 clinical trials of chronic pain treatments. Fifty-two (54.2%) studies included a global assessment measure. The PGIC was most common (n = 28; 53.8%), with relatively infrequent use of other measures. The majority of studies that used a global assessment measure (n = 31; 59.6%) assessed change or improvement in an unspecified domain. Others assessed overall condition severity (n = 9; 17.3%), satisfaction (n = 8; 15.4%), or overall health status/recovery (n = 5; 9.6%). The number, range, and type of response options were variable and frequently not reported. Response options and reference periods even differed within the PGIC. Global assessment measures were most commonly analyzed as continuous variables (n = 24; 46.2%) or as dichotomous variables with positive categories combined to calculate the proportion of participants with a positive response to treatment (n = 18; 34.6%). This review highlights the substantial work necessary to clarify measurement and use of patient global assessment in chronic pain trials and provides short- and long-term considerations for measure selection, reporting and analysis, and measure development.
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WHAT IS THIS SUMMARY ABOUT?: This summary explains the findings of a recent study that compared different questionnaires used by doctors to measure levels of fatigue in people with multiple sclerosis (MS). The aim of the study was to find out which questionnaire doctors should use to measure fatigue in people with MS in the future. Fatigue, which can be described as the overwhelming feeling of tiredness or exhaustion, is a very common symptom of MS. For the majority of people with MS, fatigue is one of the worst symptoms of MS, so it is essential that doctors can measure it accurately. Currently, people with MS are asked to complete questionnaires so that their care team can see the effect of fatigue on their day-to-day lives. There are many questionnaires that are used to measure fatigue in people with MS. It would be valuable to come to an agreement, based on evidence from research like this study, on which questionnaire is the most appropriate for measuring fatigue in both research and healthcare settings. This study compared a questionnaire called the PROMIS® Fatigue (MS) 8a, referred to throughout this summary as the PROMIS® MS Fatigue Short Form, with two of the most commonly used questionnaires: the Fatigue Severity Scale (FSS) and the Modified Fatigue Impact Scale (MFIS). The questionnaires were compared to see which one should be recommended to doctors for measuring fatigue in people with MS. WHAT ARE THE KEY TAKEAWAYS?: It was found that while all three questionnaires were good, the PROMIS® MS Fatigue Short Form questionnaire was better than the other two questionnaires at showing differences in levels of fatigue between people with MS. The PROMIS® MS Fatigue Short Form was also found to be better than the Fatigue Severity Scale (FSS) at showing changes in the person with MS's level of fatigue. The PROMIS® MS Fatigue Short Form questionnaire may help people with MS to better communicate challenges with their fatigue to their doctors. WHAT WAS THE MAIN CONCLUSION REPORTED BY THE RESEARCHERS?: The study suggests that the PROMIS® MS Fatigue Short Form questionnaire is a helpful tool for doctors and people with MS to measure fatigue.