Table A

 Cutoff values for the strata of baseline and change in WMH volumes

LowIntermediateHigh
Baseline WMH
    Total WMH
        Volume (ml)0–1>1–5>5
        No.209180154
    DWMH
        Volume (ml)0–0.5>0.5–1.5>1.5
        No.275138130
    PVWMH
        Volume (ml)0–0.5>0.5–3.5>3.5
        No.191196156
Change in WMH
    Total WMH
        Volume (ml)⩽0.5>0.5–2>2
        No.213140182
    DWMH
        Volume (ml)⩽0.1>0.1–0.5>0.5
        No.222176137
    PVWMH
        Volume (ml)⩽0.4>0.4–1.5>1.5
        No.230127178