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Vascular parameters and WML burden
| All cohort (n = 83) | Aβ elevated (n = 20) | Aβ non-elevated (n = 63) | p | |
| PI of MCA | 1.09±0.24 | 1.18±0.30 | 1.06±0.21 | 0.11 |
| WML volume (mL) | 3.3±3.8 | 3.7±4.0 | 3.2±3.7 | 0.47 |
| WML number | 16.0±7.5 | 17.3±6.8 | 15.6±7.8 | 0.22 |
PI, pulsatility index; WML, white matter lesion.
