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Figure 2 | International Archives of Medicine

Figure 2

From: Retrospective cross-validation of automated sleep staging using electroocular recording in patients with and without sleep disordered breathing

Figure 2

Box-Whisker plots comparing stage-specific sensitivity and positive predictive value (PPV) by SDB severity. The box represents the distributions of the 2nd and 3rd quartile about the median, the whiskers represent the 10% and 90%, and the Δ identifies outliers. Only subjects with a minimum of 20 manually scored epochs of the pertinent stage were included the respective plot.

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