highly significantp < 0.0001
It is also plausible that these inconsistent results are due to the relatively small sample size in MRI studies, as a related clinical study from TREND with a much larger sample size ( N = 661) revealed a highly significant and slightly stronger correlation between TMT B-A and DT gait speed while subtracting ( p < 0.0001, r = 0.27) ( Hobert et al., 2017 ).