Histogram
Sleep Heart Health Study (SHHS) Visit Number vs Very low frequency power: the normal sinus to normal sinus interbeat (NN) interval spectral power between 0.003 and 0.04 Hz
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 1 | 42,920 | 2,357.8 | ± 4,172.3 | 963.7 | 4.6 | 121,143.0 | - | 42,920 |
| Interim Follow-up Visit | - | - | - | - | - | - | - | - |
| Visit 2 | 44,578 | 2,307.0 | ± 3,954.2 | 960.3 | 2.5 | 92,624.4 | - | 44,578 |
| CVD Outcomes | - | - | - | - | - | - | - | - |