Cleveland Family Study

Name

v3qa

Label

V3: Absolute amplitude of the Q-wave

Units
millimeters
Type
numeric

Visit vs V3: Absolute amplitude of the Q-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 2.8 ± 13.4 0.0 0.0 122.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 2.9 ± 13.6 0.0 0.0 122.0 3 658
5-14 yrs old 63 2.1 ± 10.8 0.0 0.0 73.0 1 64
15-24 yrs old 112 7.5 ± 23.1 0.0 0.0 122.0 - 112
25-34 yrs old 62 1.2 ± 6.5 0.0 0.0 43.0 - 62
35-44 years 97 1.1 ± 7.7 0.0 0.0 68.0 1 98
45-54 years 147 1.6 ± 9.3 0.0 0.0 87.0 1 148
55-64 years 84 3.8 ± 17.2 0.0 0.0 112.0 - 84
65-74 years 57 1.9 ± 8.8 0.0 0.0 48.0 - 57
75-84 years 31 1.9 ± 7.7 0.0 0.0 39.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2

Sex vs V3: Absolute amplitude of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 2.8 ± 13.4 0.0 0.0 122.0 3 735
Female 404 2.9 ± 13.8 0.0 0.0 122.0 2 406
Male 328 2.7 ± 13.0 0.0 0.0 117.0 1 329

Race vs V3: Absolute amplitude of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 2.8 ± 13.4 0.0 0.0 122.0 3 735
White 303 2.3 ± 10.9 0.0 0.0 87.0 1 304
Black 407 3.3 ± 15.3 0.0 0.0 122.0 2 409
Other 22 0.9 ± 4.1 0.0 0.0 19.0 - 22