Cleveland Family Study

/datasets/cfs/variables/v3qa /datasets/cfs/variables/v3ra

V3: Duration of the Q-wave

Units milliseconds
Type numeric

Visit vs V3: Duration of the Q-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 1.0 ± 4.3 0.0 0.0 26.0 3 735

Age at time of visit vs V3: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 1.0 ± 4.4 0.0 0.0 26.0 3 658
5-14 yrs old 63 0.8 ± 4.0 0.0 0.0 26.0 1 64
15-24 yrs old 112 2.2 ± 6.2 0.0 0.0 22.0 - 112
25-34 yrs old 62 0.6 ± 3.6 0.0 0.0 25.0 - 62
35-44 years 97 0.4 ± 3.1 0.0 0.0 25.0 1 98
45-54 years 147 0.7 ± 3.5 0.0 0.0 23.0 1 148
55-64 years 84 1.1 ± 4.4 0.0 0.0 23.0 - 84
65-74 years 57 1.0 ± 4.5 0.0 0.0 23.0 - 57
75-84 years 31 1.2 ± 4.6 0.0 0.0 22.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2

Sex vs V3: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 1.0 ± 4.3 0.0 0.0 26.0 3 735
Female 404 1.1 ± 4.6 0.0 0.0 26.0 2 406
Male 328 0.9 ± 3.9 0.0 0.0 25.0 1 329

Race vs V3: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 1.0 ± 4.3 0.0 0.0 26.0 3 735
White 303 1.0 ± 4.2 0.0 0.0 25.0 1 304
Black 407 1.0 ± 4.3 0.0 0.0 26.0 2 409
Other 22 1.0 ± 4.9 0.0 0.0 23.0 - 22