I’m confused. Last night my “events per hour” was 0.9, but my AHI was 6. Aren’t they sort of the same thing?
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It’s understandable to be confused, as “events per hour” and “AHI” (Apnea-Hypopnea Index) measure different things:
Events Per Hour: This shows the number of sleep events (apneas or hypopneas) detected per hour. In your case, 0.9 indicates less than one event on average during monitored hours.
AHI: This is calculated by taking the total number of apneas and hypopneas and dividing it by total sleep hours. An AHI of 6 suggests a higher average of combined events over your sleep time.
While both metrics relate to breathing during sleep, they reflect different calculations and should not be directly compared.