Fig. 1From: Exploring humanistic burden of fatigue in adults with multiple sclerosis: an analysis of US National Health and Wellness Survey dataStudy Sample Flow Chart. Note: MS, Multiple Sclerosis; NHWS, National Health and Wellness Survey; RRMS, Relapsing-Remitting Multiple Sclerosis; US, United States. aFor respondents taking the NHWS in both 2017 and 2019, only their most recent data were usedBack to article page