Histogram
Sleep Heart Health Study (SHHS) Visit Number vs Mean of all normal sinus to normal sinus interbeat intervals (NN)
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 1 | 42,920 | 957.6 | ± 129.8 | 955.9 | 472.5 | 1,497.4 | - | 42,920 |
| Interim Follow-up Visit | - | - | - | - | - | - | - | - |
| Visit 2 | 44,578 | 971.0 | ± 144.6 | 960.6 | 489.0 | 1,595.6 | - | 44,578 |
| CVD Outcomes | - | - | - | - | - | - | - | - |