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Table 4 Cohort 2. Alzheimer’s disease (AD) group compared to non-AD group. p values and Akaike information criterion (AIC) from binary logistic regression models. Area under the curve (AUC), 95% confidence intervals (95% CI) and differences between AUCs measured with DeLong test from receiver operating characteristic (ROC) analysis. APOE stands for presence of at least one APOE ε4 allele

From: Cerebrospinal fluid N-224 tau helps discriminate Alzheimer’s disease from subjective cognitive decline and other dementias

 

Cohort 2

p

AIC

AUC

95%CI

p value for difference with model containing

N-224 alone

AD vs. non-AD

N-224

< 0.0001

423.5

0.808

0.760–0.855

Age

< 0.0001

451

0.702

0.646–0.758

0.002

T-tau

< 0.0001

284

0.905

0.875–0.936

< 0.0001

P-tau181

< 0.0001

228.6

0.938

0.910–0.966

< 0.0001

N-224+T-tau

< 0.0001

316.2

0.905

0.875–0.936

< 0.0001

N-224+P-tau181

< 0.0001

266.5

0.936

0.907–0.965

< 0.0001

N-224+APOE

< 0.0001

419.6

0.829

0.787–0.870

ns

Aβ42+P-tau181

< 0.0001

257.9

0.932

0.905–0.958

< 0.0001