Histogram
A4b. Visit of Sleep Study vs Apnea-Hypopnea Index : (All apneas + hypopneas with >=30% nasal cannula [or alternative sensor] reduction with >= 4% oxygen desaturation) / hour of estimated sleep
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 1 | 3,012 | 0.4 | ± 1.3 | 0.1 | 0.0 | 30.7 | - | 3,012 |
| Visit 3 | - | - | - | - | - | - | - | - |