## 3 Results
\begin{table}
\begin{tabular}{c c c c c c c c} \hline
**Fc** & **0.4** & **0.5** & **0.6** & **0.7** & **0.8** & **0.9** & **1.0** \\ \hline Predicted value & \(25.7\pm 20.7\) & \(25.9\pm 20.4\) & \(27.0\pm 20.2\) & \(29.7\pm 20.3\) & \(72.3\pm 19.9\) & \(74.4\pm 19.6\) & \(75.3\pm 19.1\) \\ Difference for AHI & \(-15.2\pm 17.7\) & \(-14.9\pm 18.3\) & \(-13.8\pm 18.8\) & \(-11.1\pm 19.8\) & \(31.4\pm 36.9\) & \(33.5\pm 37.0\) & \(34.4\pm 36.8\) \\ \hline \end{tabular}
\end{table} 
Table 2: Detection values with different Fc values. \begin{table}
\begin{tabular}{c c c c c c c c c} \hline
**TH** & **Outcome** & **Fc** & **0.4** & **0.5** & **0.6** & **0.7** & **0.8** & **0.9** & **1.0** \\ \hline AHI \(>\)5 & Sensitivity (\%) & 89 & 89 & 91 & 91 & 100 & 100 & 100 \\  & Specificity (\%) & 50 & 50 & 33 & 17 & 0 & 0 & 0 \\  & Accuracy (\%) & 85 & 85 & 85 & 83.3 & 90 & 90 & 90 \\ AHI \(>\)15 & Sensitivity (\%) & 76 & 74 & 76 & 83 & 98 & 98 & 98 \\  & Specificity (\%) & 100 & 100 & 93 & 79 & 0 & 0 & 0 \\  & Accuracy (\%) & 81.7 & 80 & 81.7 & 81.7 & 75 & 75 & 76.7 \\ AHI \(\geq\)30 & Sensitivity (\%) & 67 & 71 & 70 & 76 & 97 & 97 & 97 \\  & Specificity (\%) & 97 & 97 & 96 & 93 & 7 & 4 & 4 \\  & Accuracy (\%) & 80 & 80 & 81.7 & 83.3 & 56.7 & 56.7 & 55 \\ \hline \end{tabular}
\end{table} 
Table 3: Analysis of detection accuracy among all enrolled participants. \begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline
**TH** & **Outcome** & **Fc** & **0.4** & **0.5** & **0.6** & **0.7** & **0.8** & **0.9** & **1.0** \\ \hline AHI \(>\)5 & Sensitivity (\%) & 100 & 100 & 100 & 100 & 100 & 100 \\  & Specificity (\%) & NA & NA & NA & NA & NA & NA \\  & Accuracy (\%) & 100 & 100 & 100 & 100 & 100 & 100 \\ AHI \(>\)15 & Sensitivity (\%) & 100 & 95 & 95 & 100 & 100 & 100 & 100 \\  & Specificity (\%) & 100 & 100 & **0** & **0** & **0** & **0** & **0** \\  & Accuracy (\%) & 100 & 95.7 & 95.7 & 95.7 & 95.7 & 95.7 & 95.7 \\ AHI \(\geq\)30 & Sensitivity (\%) & 89 & 94 & 89 & 89 & 100 & 100 & 100 \\  & Specificity (\%) & 75 & 80 & 75 & 75 & **0** & **0** & **0** \\  & Accuracy (\%) & 87 & 87 & 87 & 87 & 82.6 & 82.6 & 82.6 \\ \hline \hline \end{tabular}
\end{table} 
Table 4: Analysis of accuracy detection among apnea-dominant participants. Figure 4: Detection results of all subjects by sensitivity and specificity plots listed as: **(a)** description of overall performance of all subjects; **(b)** description detection performance of subjects with apnea-dominant episodes; **(c)** description detection performance of subjects with hypopnea-dominant episodes. \begin{table}
\begin{tabular}{c c c c c c c c c} \hline \hline
**TH** & **Outcome** & **Fc** & **0.4** & **0.5** & **0.6** & **0.7** & **0.8** & **0.9** & **1.0** \\ \hline AHI \(>\)5 & Sensitivity (\%) & 81 & 81 & 84 & 84 & 100 & 100 & 100 \\  & Specificity (\%) & 50 & 50 & 30 & 17 & 0 & 0 & 0 \\  & Accuracy (\%) & 75.7 & 75.7 & 73 & 83.8 & 83.8 & 83.8 \\ AHI \(>\)15 & Sensitivity (\%) & 54 & 54 & 58 & 67 & 96 & 96 & 96 \\  & Specificity (\%) & 1 & 1 & 1 & 85 & 0 & 0 & 0 \\  & Accuracy (\%) & 70.3 & 70.3 & 73 & 73 & 62.2 & 62.2 & 64.9 \\ AHI \(\geq\)30 & Sensitivity (\%) & 36 & 38 & 43 & 57 & 93 & 93 & 93 \\  & Specificity (\%) & 100 & 100 & 100 & 96 & 9 & 24 & 4 \\  & Accuracy (\%) & 75.7 & 75.7 & 78.4 & 81.1 & 40.5 & 40.5 & 37.8 \\ \hline \hline \end{tabular}
\end{table} 
Table 5: Accuracy analysis of detection among hypopnea-dominant participants.