Older people with impaired mobility have specific loci of periventricular abnormality on MRI.

To the Editor: I read the article by Benson et al.1 with interest. My own data, based on CT imaging, support their conclusions. In a convenience sample of 343 patients, including patients with stroke, gait was examined with a standardized scale2 and leukoaraiosis rated in seven brain regions using a modification of the van Swieten method.2,3⇓ Neurologic abnormalities were quantified using the NIH Stroke Scale and supplemental scale. The brain region most correlated with gait disturbance was identified by …