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. 2022 Dec 15;46(3):zsac312. doi: 10.1093/sleep/zsac312

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© Sleep Research Society 2023. Published by Oxford University Press on behalf of the Sleep Research Society.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — True OSA status versus observed OSA status. Tabulation of the observed OSA status against the true, underlying OSA in a given study. The number of individuals in the study is decomposed into individuals in each of the table cells. The marginal, dark gray, cells sum the individuals in the rows and in the columns. In health records, typically we expect that the number of individuals who in truth do not have OSA yet are observed as having OSA is near zero.