Author Response: Association of Sleep, Neuropsychological Performance, and Gray Matter Volume With Glymphatic Function in Community-Dwelling Older Adults

We appreciate Dr. Kawada's constructive comments on our statistical methods.1 We evaluated the univariate associations between diffusion tensor imaging-analysis along the perivascular space (DTI-ALPS) and the demographic/clinical variables and found that only age and pulse rate had significant association with DTI-ALPS ( p = 0.001 and p = 0.4, respectively).