Journal
RECENT DEVELOPMENTS IN STATISTICS AND DATA SCIENCE, SPE2021
Volume 398, Issue -, Pages 215-225Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/978-3-031-12766-3_15
Keywords
Myalgic encephalomyelitis/chronic fatigue (ME/CFS); Misclassification; Power studies; Serology; Simulation
Categories
Funding
- Fundacao para a Ciencia e Tecnologia, Portugal [SFRH/BD/149758/2019, UIDB/00006/2020]
- Polish National Agency for Academic Exchange [PPN/ULM/2020/1/00069/U/00001]
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The diagnosis of ME/CFS is problematic due to the lack of a specific biomarker, resulting in uncertainties and potential misdiagnosis. This study investigates the impact of misdiagnosis rates on case-control association studies and extends the analysis to include the possibility of misclassification in a binary factor related to previous exposure. The simulation study focuses on serological testing of SARS-CoV-2 in relation to ME/CFS using data from seroepidemiological studies in Portugal, Spain, and Iran.
The diagnosis of ME/CFS is problematic due to the absence of a disease specific biomarker. As such, it is conducted under uncertainty using symptombased criteria and the exclusion of known diseases. The possibility of misdiagnosing patients reduces the power to detect new and previously identified factors that can be associated with the disease. To investigate this problem, we previously conducted a simulation study to estimate the power of case-control association studies as a function of the misdiagnosed rate. Here we extended this simulation study to the more general situation where there is also the possibility of having misclassification in a binary factor related to a previous exposure to a given infection. Given the suggested link between ME/CFS and past viral infections including SARS-CoV-2 (which causes COVID-19), we performed the simulation study in the specific context of serological testing of this new coronavirus using published data from Portuguese, Spanish and Iranian seroepidemiological studies.
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