Histogram
Sleep Heart Health Study (SHHS) Visit Number vs Low frequency power (normalized)
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 1 | 42,920 | 0.6 | ± 0.2 | 0.7 | 0.04 | 1.0 | - | 42,920 |
| Interim Follow-up Visit | - | - | - | - | - | - | - | - |
| Visit 2 | 44,578 | 0.6 | ± 0.2 | 0.7 | 0.03 | 1.0 | - | 44,578 |
| CVD Outcomes | - | - | - | - | - | - | - | - |