From: Tract integrity in amyotrophic lateral sclerosis: 6–month evaluation using MR diffusion tensor imaging
At first scan
At second scan
p value
Disease duration in months (mean ± SD)
27.6 ± 24
33.0 ± 24
–
ALSFRS–R (Mean ± SD)
39 ± 5
38 ± 4
0.03