Name
iiiqd
Label
Lead III: Duration of the Q-wave
Units
milliseconds
Type
numeric
Visit vs Lead III: Duration of the Q-wave
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 5 | 732 | 14.3 | ± 20.6 | 0.0 | 0.0 | 132.0 | 3 | 735 |
Age at time of visit vs Lead III: Duration of the Q-wave
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 655 | 14.3 | ± 20.8 | 0.0 | 0.0 | 132.0 | 3 | 658 |
| 5-14 yrs old | 63 | 14.1 | ± 13.6 | 18.0 | 0.0 | 39.0 | 1 | 64 |
| 15-24 yrs old | 112 | 14.9 | ± 14.5 | 17.5 | 0.0 | 45.0 | - | 112 |
| 25-34 yrs old | 62 | 15.1 | ± 20.3 | 0.0 | 0.0 | 96.0 | - | 62 |
| 35-44 years | 97 | 13.3 | ± 20.6 | 0.0 | 0.0 | 100.0 | 1 | 98 |
| 45-54 years | 147 | 15.1 | ± 20.1 | 0.0 | 0.0 | 87.0 | 1 | 148 |
| 55-64 years | 84 | 14.0 | ± 27.5 | 0.0 | 0.0 | 128.0 | - | 84 |
| 65-74 years | 57 | 12.1 | ± 22.1 | 0.0 | 0.0 | 80.0 | - | 57 |
| 75-84 years | 31 | 15.5 | ± 32.2 | 0.0 | 0.0 | 132.0 | - | 31 |
| 85 years or older | 2 | 0.0 | ± 0.0 | 0.0 | 0.0 | 0.0 | - | 2 |
Sex vs Lead III: Duration of the Q-wave
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 732 | 14.3 | ± 20.6 | 0.0 | 0.0 | 132.0 | 3 | 735 |
| Female | 404 | 14.6 | ± 20.5 | 0.0 | 0.0 | 132.0 | 2 | 406 |
| Male | 328 | 13.9 | ± 20.6 | 0.0 | 0.0 | 128.0 | 1 | 329 |
Race vs Lead III: Duration of the Q-wave
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 732 | 14.3 | ± 20.6 | 0.0 | 0.0 | 132.0 | 3 | 735 |
| White | 303 | 15.3 | ± 20.6 | 0.0 | 0.0 | 132.0 | 1 | 304 |
| Black | 407 | 13.6 | ± 20.9 | 0.0 | 0.0 | 128.0 | 2 | 409 |
| Other | 22 | 13.2 | ± 13.2 | 16.5 | 0.0 | 39.0 | - | 22 |