Cleveland Family Study

/datasets/cfs/variables/iiippa /datasets/cfs/variables/iiiqd

Lead III: Absolute amplitude of the Q-wave

Units millimeters
Type numeric

Visit vs Lead III: Absolute amplitude of the Q-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 72.2 ± 141.7 0.0 0.0 1,425.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 72.8 ± 146.1 0.0 0.0 1,425.0 3 658
5-14 yrs old 63 96.7 ± 131.9 48.0 0.0 747.0 1 64
15-24 yrs old 112 72.3 ± 89.5 41.0 0.0 390.0 - 112
25-34 yrs old 62 62.5 ± 97.7 0.0 0.0 429.0 - 62
35-44 years 97 60.9 ± 122.9 0.0 0.0 629.0 1 98
45-54 years 147 71.6 ± 129.5 0.0 0.0 625.0 1 148
55-64 years 84 62.9 ± 148.9 0.0 0.0 888.0 - 84
65-74 years 57 62.7 ± 172.0 0.0 0.0 981.0 - 57
75-84 years 31 140.2 ± 355.4 0.0 0.0 1,425.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2

Sex vs Lead III: Absolute amplitude of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 72.2 ± 141.7 0.0 0.0 1,425.0 3 735
Female 404 70.6 ± 136.2 0.0 0.0 1,425.0 2 406
Male 328 74.2 ± 148.4 0.0 0.0 1,347.0 1 329

Race vs Lead III: Absolute amplitude of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 72.2 ± 141.7 0.0 0.0 1,425.0 3 735
White 303 72.1 ± 134.4 0.0 0.0 1,425.0 1 304
Black 407 73.1 ± 149.6 0.0 0.0 1,347.0 2 409
Other 22 56.6 ± 77.5 26.5 0.0 283.0 - 22