Fig. 5From: The association of selected multiple sclerosis symptoms with disability and quality of life: a large Danish self-report surveyFatigue severity score (FSS) for each disability level. The left Y axis shows the total FSS score (blue bars) and the right Y axis shows the ratio of mental and physical impact on the FSS score (grey bars). The dashed black lines represent the cut-off values of FSS: < 36: no to mild, 36–52: moderate and > 52: severe fatigue. PDDS, patient determined disease steps; IQR, interquartile range [25–75%]Back to article page