Cleveland Family Study

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