Statistical analysis
stroke
STROKE
The normality of variables (age, days after stroke onset, lesion volume, FM‐UL, and BI score) was tested by Shapiro–Wilk's test, showing that none of these variables conform to the normal distribution. Group differences were tested by chi‐square tests on sex, stroke type, and lesion side, and Mann–Whitney Voxel‐wise 2 × 2 (