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Survival curves for patients with low and high levels of plasma p-tau 181 are shown. Survival curves delineate subjects with cognitively unimpaired or mild cognitive impairment progressing to dementia. Blue line: low level, patients with plasma p-tau 181 levels <14.981 pg/ml; orange line: high level, patients with plasma p-tau 181 levels higher than 14.982 pg/ml.
