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Evaluating the Performance of Different Criteria in Diagnosing AD and Preclinical AD with the Bayesian Latent Class Model

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The Journal of Prevention of Alzheimer's Disease Aims and scope Submit manuscript

Abstract

Background

The diagnostic criteria for Alzheimer’s disease (AD) should be highly sensitive and specific. Clinicians have varying opinions on the different criteria, including the International Working Group-1 (IWG-1), International Working Group-2 (IWG-2), and AT(N) criteria. Few studies had evaluated the performance of these criteria in diagnosing AD and preclinical AD when the gold standard was absent.

Methods

We estimated and compared the performance of these criteria in diagnosing AD using data from 908 subjects in the Alzheimer’s Disease Neuroimaging Initiative (ADNI). Additionally, 622 subjects were selected to evaluate and compare the performance of IWG-2 and AT(N) criteria in diagnosing preclinical AD. A novel approach, Bayesian latent class models with fixed effect dependent, was utilized to estimate the diagnostic accuracy of these criteria in detecting different AD statuses simultaneously.

Results

The sensitivity of the IWG-1, IWG-2, and AT(N) criteria in diagnosing AD was 0.850, 0.836, and 0.665. The specificity of these criteria was 0.788, 0.746, and 0.747. The IWG-1 criteria had the highest Youden Index in detecting AD. When diagnosing preclinical AD, the sensitivity of the IWG-2 and AT(N) criteria was 0.797 and 0.955. The specificity of these criteria was 0.922 and 0.720. The IWG-2 criteria had the highest Youden Index.

Conclusion

IWG-1 was more suitable than the IWG-2 and AT(N) criteria in detecting AD. IWG-2 criteria was more suitable than AT(N) criteria in detecting preclinical AD.

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Availability of data and materials: The datasets generated during the current study are available in the ADNI repository, http://adni.loni. usc.edu/upload-data/.

Abbreviations

AD:

Alzheimer’s disease

IWG-1:

International Working Group-1

IWG-2:

International Working Group-2

ADNI:

Alzheimer’s Disease Neuroimaging Initiative

CSF:

cerebrospinal fluid

ADI:

Alzheimer’s Disease International

NINCDS-ADRDA:

Neurological Disorders and Speech Disorders and Stroke - Alzheimer’s Disease and Related Disorders Association

IWG:

International Working Group

NIA-AA:

National Institute on Aging and the Alzheimer’s Association

Aβ:

beta-amyloid

PET:

positron emission tomography

MRI:

Magnetic Resonance Imaging

FDG:

fluorodeoxyglucose

RAVLT:

Rey Auditory Verbal Learning Test

P-tau:

phosphorylated tau protein

T-tau:

total tau protein

SUVR:

standardized uptake ratio

MCMC:

Markov chain Monte Carlo

CI:

credible intervals

PPV:

positive predictive value

NPV:

negative predictive value

MCI:

mild cognitive impairment.

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Acknowledgements

Data used in the preparation of this article were obtained from the Alzheimer’s Disease Neuroimaging Initiative (ADNI) database (adni. loni.usc.edu). As such, the investigators within the ADNI contributed to the design and implementation of ADNI and/or provided data but did not participate in the analysis or writing of this report. A complete listing of ADNI investigators can be found at http://adni.loni.usc.edu/wpontent/uploads/how_to_apply/ADNI_Acknowledgement_List.pdf

Funding

Sources of Funding: This work was supported by National Natural Science Foundation of China (Grant No. 81903408), Beijing Excellent Talents Training Founding Project (Grant No. 2018000020124G136), R&D Program of Beijing Municipal Education Commission (Grant KM202011232018), and Key Research and Cultivation Project of Scientific Research on Campus of Beijing Information Science and Technology University (Grant 2021YJPY236). The funder/sponsor had no role in the design and conduct of the study, collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

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Authors and Affiliations

Authors

Contributions

Authors Contributions: X.N.W.: conceptualization, funding acquisition, methodology, data analysis, writing original draft and review & editing. G.Y.N.: methodology, data analysis, writing-review & editing. J.X.Z.: conceptualization, methodology, and writing—review and editing. H.P.Z.: methodology and writing—review and editing. F.J.L.: methodology, data analysis. J. T.: methodology, data analysis. Z.Y.Z: methodology and writing—review and editing. G.Q.C: writing—review and editing. Y.H.: conceptualization, methodology, project administration, validation, writing—review and editing. Q.G.: conceptualization, methodology, project administration, validation, writing—review and editing. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Qi Gao.

Ethics declarations

Statements and Declarations: Ethics approval and consent to participate Subjects for this study were obtained from the ADNI. The ADNI was conducted with the approval of the review boards of the respective research institutions, and all subjects signed an informed consent form.

Conflict of interest: The authors declare no that they have competing interests.

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Wang, X., Niu, G., Zhao, J. et al. Evaluating the Performance of Different Criteria in Diagnosing AD and Preclinical AD with the Bayesian Latent Class Model. J Prev Alzheimers Dis (2024). https://doi.org/10.14283/jpad.2024.71

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