Fig. 5From: Vigorous cool room treadmill training to improve walking ability in people with multiple sclerosis who use ambulatory assistive devices: a feasibility studyRelationship between outcomes. a: correlation between modified fatigue impact scale physical subcomponent change score and fast walking speed change score (rs = − 0.847, p = 0.008); b: correlation between modified fatigue impact scale total change score and maximal respiratory exchange ratio change score (rs = − 0.810, p = 0.015); c: correlation between resting serum brain-derived neurotrophic factor change score and maximal respiratory exchange ratio change score (rs = 0.786, p = 0.036); d: correlation between resting serum interleukin-6 change score and maximal oxygen consumption change score (rs = − 0.757, p = 0.049). rs, Spearman correlation coefficient; p, significanceBack to article page