Race
Sleep Heart Health Study (SHHS) Visit Number vs QRS Axis
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 1 | 2,180 | 19.5 | ± 36.3 | 20.0 | -162.0 | 170.0 | 3,624 | 5,804 |
| Interim Follow-up Visit | - | - | - | - | - | - | - | - |
| Visit 2 | 3,449 | 26.1 | ± 64.8 | 20.0 | -145.0 | 358.0 | 631 | 4,080 |
| CVD Outcomes | - | - | - | - | - | - | - | - |
Age at Sleep Heart Health Study Visit One (SHHS1) vs QRS Axis
Visit 1
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 2,180 | 19.5 | ± 36.3 | 20.0 | -162.0 | 170.0 | 3,624 | 5,804 |
| 35-44 years | 97 | 35.9 | ± 29.5 | 38.0 | -62.0 | 96.0 | 245 | 342 |
| 45-54 years | 321 | 30.8 | ± 27.6 | 30.0 | -40.0 | 90.0 | 696 | 1,017 |
| 55-64 years | 304 | 24.1 | ± 30.4 | 30.0 | -67.0 | 95.0 | 1,465 | 1,769 |
| 65-74 years | 534 | 16.3 | ± 34.7 | 15.0 | -149.0 | 120.0 | 1,083 | 1,617 |
| 75-84 years | 832 | 15.3 | ± 40.2 | 15.0 | -162.0 | 170.0 | 123 | 955 |
| 85 years or older | 92 | 4.6 | ± 41.2 | 0.0 | -110.0 | 87.0 | 12 | 104 |
Gender of the participant vs QRS Axis
Visit 1
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 2,180 | 19.5 | ± 36.3 | 20.0 | -162.0 | 170.0 | 3,624 | 5,804 |
| Male | 978 | 16.7 | ± 39.1 | 17.0 | -162.0 | 148.0 | 1,787 | 2,765 |
| Female | 1,202 | 21.8 | ± 33.6 | 23.0 | -117.0 | 170.0 | 1,837 | 3,039 |
Gender of the participant vs QRS Axis
Visit 2
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 3,449 | 26.1 | ± 64.8 | 20.0 | -145.0 | 358.0 | 631 | 4,080 |
| Male | 1,583 | 25.2 | ± 72.7 | 15.0 | -105.0 | 358.0 | 278 | 1,861 |
| Female | 1,866 | 27.0 | ± 57.3 | 23.0 | -145.0 | 358.0 | 353 | 2,219 |
Race of the participant vs QRS Axis
Visit 1
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 2,180 | 19.5 | ± 36.3 | 20.0 | -162.0 | 170.0 | 3,624 | 5,804 |
| White | 1,656 | 20.0 | ± 36.8 | 21.0 | -162.0 | 148.0 | 3,251 | 4,907 |
| Black | 308 | 13.0 | ± 36.3 | 14.5 | -120.0 | 170.0 | 207 | 515 |
| Other | 216 | 25.2 | ± 30.5 | 25.0 | -62.0 | 96.0 | 166 | 382 |
Race of the participant vs QRS Axis
Visit 2
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 3,449 | 26.1 | ± 64.8 | 20.0 | -145.0 | 358.0 | 631 | 4,080 |
| White | 3,013 | 27.2 | ± 65.9 | 20.0 | -145.0 | 358.0 | 574 | 3,587 |
| Black | 228 | 6.2 | ± 54.9 | 4.5 | -88.0 | 350.0 | 28 | 256 |
| Other | 208 | 33.0 | ± 54.9 | 28.0 | -73.0 | 358.0 | 29 | 237 |