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Assessment of a portable monitoring device WatchPAT 200 in the diagnosis of obstructive sleep apnea
Using the WatchPAT 200 device to detect obstructive sleep apnea
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Abstract
The mean apnea hypopnea index (AHI) score for standard polysomnography was 23.00 events per hour.
- The WatchPAT 200 recorded a mean AHI score of 25.99 events per hour, indicating a high level of agreement with standard polysomnography.
- A strong correlation (r = 0.92, P < 0.001) was found between the AHI scores from WatchPAT 200 and standard polysomnography.
- The accuracy of sleep-wake detection by WatchPAT 200 was assessed with an agreement of 89 ± 6 % when compared to polysomnography.
- WatchPAT 200 may serve as a reliable alternative for diagnosing obstructive sleep apnea based on AHI measurements.
- This device also provided a reasonably accurate estimation of sleep and wakefulness on an epoch-by-epoch basis.
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