| Normal Polysomnography Parameters in Healthy Adults |
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| Parameters |
Normal Values |
Confidence Intervals |
Prediction Intervals |
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| Total Sleep Time (TST) |
(minutes)
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| Sleep Efficiency (SE) |
(%)
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| Wake After Sleep Onset (WASO) |
(minutes)
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| Sleep Onset Latency (SOL) |
(minutes)
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| Rapid Eye Movement Latency (REML) |
(minutes)
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| Total Arousal Index (TAI) |
(events/hr)
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| Stage of Sleep N1 |
(% TST)
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| Stage of Sleep N2 |
(% TST)
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| Stage of Sleep N3 |
(% TST)
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| Stage of Sleep REM |
(% TST)
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| Apnea–Hypopnea Index (AHI) |
(events/hr)
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| Mean SaO2 |
(%)
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| Minimum SaO2 |
(%)
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| PLMI |
(events/hr)
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A confidence interval would be useful to researchers interested in aggregate data.
This interval will contain the true population mean for a polysomnography parameter measured in healthy adults with 95% probability.
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A Prediction Interval would be useful to clinicians assessing individual polysomnography parameters.
This interval is always wider than a confidence interval and will contain an individual value for a polysomnography parameter measured in a healthy adult with 95% probability.
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| How has this calculator provided impact?
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| How was this tool used?
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| Comments
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View the published article in the LANCET journal
View Table 2 - Means with 95% CI
View Table 3 - Means with 95% CI
Disclaimer:
The information presented on this website is intended for health providers and researchers to be interpreted in a clinical context.
The accuracy of some values is limited by small sample sizes and the data from the source articles used in our original meta-analysis.
Please refer to the paper reporting our meta-analysis for further details.
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If you have questions about your health, please consult your health provider. This website does not replace the advice of a health care professional.
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