Histogram
Visit number vs Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 8 | 452 | 12.6 | ± 9.4 | 10.0 | 0.0 | 50.6 | 9 | 461 |
Age (categorical) vs Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
Visit 8
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 446 | 12.4 | ± 9.3 | 10.0 | 0.0 | 50.6 | 9 | 455 |
| 75-84 years | 319 | 12.8 | ± 9.4 | 10.3 | 0.0 | 50.6 | 6 | 325 |
| 85 years or older | 127 | 11.5 | ± 8.9 | 8.9 | 0.0 | 48.2 | 3 | 130 |
Gender vs Arousal Index (REM): Number of arousals per hour of REM sleep from type II polysomnography
Visit 8
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 452 | 12.6 | ± 9.4 | 10.0 | 0.0 | 50.6 | 9 | 461 |
| Female | 452 | 12.6 | ± 9.4 | 10.0 | 0.0 | 50.6 | 9 | 461 |