Aim: To compare the diagnostic validity of NIA-AA criteria, for AD CSF biomarkers, with our own new criteria.
Materials And Methods: Between 2008 and 2011, 170 patients with Mild Cognitive Impairment (MCI) were included. CSF levels of Aβ1-42, T-tau, P-tau181, and ratios of T-tau/Aβ1-42 and P-tau181/Aβ1-42 were analyzed. In our criteria, we considered 3 or more abnormal variables indicative of a high likelihood of MCI due to AD.
Results: After a clinical follow-up of 4.5 ± 1.2 years, 44 patients remained stable, 95 developed AD, 15 other forms of dementia, 7 died and 9 received other diagnoses. Using the NIA-AA criteria and our own criteria, the diagnostic validity of the CSF biomarkers was 58% versus 85%, specificity 84% versus 72%, PPV 82% versus 79% and NPV 61% versus 79%.
Conclusion: The inclusion of the ratios in diagnostic criteria increases sensitivity and NPV for the diagnosis of MCI due to AD.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10852644 | PMC |
| http://dx.doi.org/10.1177/1533317516688298 | DOI Listing |
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