Accuracy Analysis of Embletta X100 for the Diagnosis of Obstructive Sleep Apnea and the Assessment of Sleep Structure
Journal of Rhinology
; : 32-37, 2018.
Article
in En
| WPRIM
| ID: wpr-714406
Responsible library:
WPRO
ABSTRACT
BACKGROUND AND OBJECTIVES: To measure the accuracy of Embletta X100, a level 2 portable sleep monitoring device, for diagnosis of obstructive sleep apnea and assessment of sleep structure. MATERIALS AND METHOD: We enrolled 200 consecutive patients who had been referred due to habitual snoring or witnessed apnea during sleep and had undergone standard polysomnography (PSG). We created a simulated situation similar to that of the Embletta X100 using only data from PSG and scored the sleep stage and the apnea-hypopnea index (AHI). Thereafter, the results of PSG and simulated Embletta X100 were compared. RESULTS: Sensitivity, specificity, and positive and negative predictive values of simulated Embletta X100 based on PSG were nearly 100% at three different cutoff values of AHI (5, 15, and 30). Intraclass correlation (ICC) of simulated Embletta X100 based on PSG was also excellent (≥0.9) for most of the sleep-related parameters and respiratory index. However, ICC of sleep stage percent was variable according to sleep stage (>0.9 for N1 and N2, 0.664 for N3, and 0.864 for R). CONCLUSION: Although sleep staging is not very precise, Embletta X100 matches well with PSG overall.
Key words
Full text:
1
Index:
WPRIM
Main subject:
Apnea
/
Sleep Stages
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Snoring
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Sensitivity and Specificity
/
Polysomnography
/
Sleep Apnea, Obstructive
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Diagnosis
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Methods
Type of study:
Diagnostic_studies
/
Prognostic_studies
Limits:
Humans
Language:
En
Journal:
Journal of Rhinology
Year:
2018
Type:
Article