Cleveland Family Study

/datasets/cfs/variables/v1ppa /datasets/cfs/variables/v1qd

V1: Absolute amplitude of the Q-wave

Units millimeters
Type numeric

Visit vs V1: Absolute amplitude of the Q-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 82.5 ± 259.5 0.0 0.0 2,128.0 3 735

Age at time of visit vs V1: Absolute amplitude of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 82.6 ± 261.0 0.0 0.0 2,128.0 3 658
5-14 yrs old 63 21.8 ± 127.6 0.0 0.0 903.0 1 64
15-24 yrs old 112 37.6 ± 223.8 0.0 0.0 1,816.0 - 112
25-34 yrs old 62 71.0 ± 269.7 0.0 0.0 1,708.0 - 62
35-44 years 97 37.4 ± 137.1 0.0 0.0 673.0 1 98
45-54 years 147 110.1 ± 287.2 0.0 0.0 1,406.0 1 148
55-64 years 84 101.1 ± 251.0 0.0 0.0 1,000.0 - 84
65-74 years 57 143.7 ± 278.0 0.0 0.0 952.0 - 57
75-84 years 31 245.9 ± 525.9 0.0 0.0 2,128.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2

Sex vs V1: Absolute amplitude of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 82.5 ± 259.5 0.0 0.0 2,128.0 3 735
Female 404 72.1 ± 242.7 0.0 0.0 1,708.0 2 406
Male 328 95.3 ± 278.5 0.0 0.0 2,128.0 1 329

Race vs V1: Absolute amplitude of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 82.5 ± 259.5 0.0 0.0 2,128.0 3 735
White 303 88.3 ± 254.2 0.0 0.0 1,406.0 1 304
Black 407 82.6 ± 269.7 0.0 0.0 2,128.0 2 409
Other 22 0.9 ± 4.1 0.0 0.0 19.0 - 22