Cleveland Family Study

/datasets/cfs/variables/avlppa /datasets/cfs/variables/avlqd

aVL Lead: Absolute amplitude of the Q-wave

Units millimeters
Type numeric

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

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 42.6 ± 72.9 24.0 0.0 996.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 43.3 ± 73.6 24.0 0.0 996.0 3 658
5-14 yrs old 63 79.3 ± 153.8 0.0 0.0 996.0 1 64
15-24 yrs old 112 33.1 ± 76.5 0.0 0.0 610.0 - 112
25-34 yrs old 62 39.8 ± 59.2 24.0 0.0 307.0 - 62
35-44 years 97 49.4 ± 61.6 34.0 0.0 444.0 1 98
45-54 years 147 35.2 ± 45.8 24.0 0.0 278.0 1 148
55-64 years 84 35.7 ± 44.0 26.5 0.0 258.0 - 84
65-74 years 57 51.8 ± 60.4 39.0 0.0 302.0 - 57
75-84 years 31 40.0 ± 44.3 29.0 0.0 136.0 - 31
85 years or older 2 19.5 ± 27.6 19.5 0.0 39.0 - 2

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 42.6 ± 72.9 24.0 0.0 996.0 3 735
Female 404 42.2 ± 77.9 7.0 0.0 996.0 2 406
Male 328 43.1 ± 66.4 24.0 0.0 610.0 1 329

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 42.6 ± 72.9 24.0 0.0 996.0 3 735
White 303 41.9 ± 77.3 19.0 0.0 996.0 1 304
Black 407 43.0 ± 68.8 24.0 0.0 610.0 2 409
Other 22 44.1 ± 86.2 0.0 0.0 380.0 - 22