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→AHI: format graphic
The y-value of the OSCAR AHI graph at any given time is the total number of events recorded during the previous 60 minutes of run time in the current session. When a particular event becomes one hour old, it is dropped from the running total. The following image shows a series of 3 events scored within an 8-minute period, followed by over an hour of sleep where no additional OA, CA, or H events were scored. The AHI first increases to 3 and it stays at 3 until each of the three events "age" out of the running total:<br />
[[File:ahi-graph-balanced_zpsa8d453f9.jpg|thumb|center|1000px|AHI graph]]<br />
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