Name
iqd
Label
Lead I: Duration of the Q-wave
Units
milliseconds
Type
numeric
Visit vs Lead I: Duration of the Q-wave
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 5 | 732 | 10.3 | ± 10.1 | 13.0 | 0.0 | 46.0 | 3 | 735 |
Participant's age (category) vs Lead I: Duration of the Q-wave
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 655 | 10.5 | ± 10.2 | 14.0 | 0.0 | 46.0 | 3 | 658 |
| 5-14 yrs old | 63 | 10.7 | ± 11.1 | 13.0 | 0.0 | 45.0 | 1 | 64 |
| 15-24 yrs old | 112 | 8.8 | ± 10.1 | 0.0 | 0.0 | 36.0 | - | 112 |
| 25-34 yrs old | 62 | 11.3 | ± 9.7 | 16.0 | 0.0 | 26.0 | - | 62 |
| 35-44 years | 97 | 11.6 | ± 9.9 | 15.0 | 0.0 | 29.0 | 1 | 98 |
| 45-54 years | 147 | 9.9 | ± 9.9 | 13.0 | 0.0 | 27.0 | 1 | 148 |
| 55-64 years | 84 | 10.3 | ± 9.9 | 14.0 | 0.0 | 29.0 | - | 84 |
| 65-74 years | 57 | 12.4 | ± 11.0 | 16.0 | 0.0 | 46.0 | - | 57 |
| 75-84 years | 31 | 10.1 | ± 10.9 | 0.0 | 0.0 | 28.0 | - | 31 |
| 85 years or older | 2 | 9.5 | ± 13.4 | 9.5 | 0.0 | 19.0 | - | 2 |
Participant's sex vs Lead I: Duration of the Q-wave
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 732 | 10.3 | ± 10.1 | 13.0 | 0.0 | 46.0 | 3 | 735 |
| Female | 404 | 8.9 | ± 9.8 | 0.0 | 0.0 | 45.0 | 2 | 406 |
| Male | 328 | 11.9 | ± 10.3 | 15.0 | 0.0 | 46.0 | 1 | 329 |
Participant's race vs Lead I: Duration of the Q-wave
Visit 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 732 | 10.3 | ± 10.1 | 13.0 | 0.0 | 46.0 | 3 | 735 |
| White | 303 | 11.8 | ± 10.7 | 16.0 | 0.0 | 46.0 | 1 | 304 |
| Black | 407 | 9.1 | ± 9.5 | 0.0 | 0.0 | 33.0 | 2 | 409 |
| More than one race | 22 | 10.8 | ± 11.2 | 14.0 | 0.0 | 36.0 | - | 22 |