Cleveland Family Study

/datasets/cfs/variables/avlrd /datasets/cfs/variables/avlrpd

aVL Lead: Amplitude of the secondary R-wave

Units millimeters
Type numeric

Visit vs aVL Lead: Amplitude of the secondary R-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 12.1 ± 41.1 0.0 0.0 468.0 3 735

Age at time of visit vs aVL Lead: Amplitude of the secondary R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 12.1 ± 41.7 0.0 0.0 468.0 3 658
5-14 yrs old 63 26.1 ± 61.7 0.0 0.0 258.0 1 64
15-24 yrs old 112 23.9 ± 60.1 0.0 0.0 468.0 - 112
25-34 yrs old 62 14.6 ± 38.6 0.0 0.0 175.0 - 62
35-44 years 97 6.1 ± 20.0 0.0 0.0 126.0 1 98
45-54 years 147 6.8 ± 26.9 0.0 0.0 175.0 1 148
55-64 years 84 5.0 ± 33.6 0.0 0.0 302.0 - 84
65-74 years 57 3.1 ± 18.7 0.0 0.0 136.0 - 57
75-84 years 31 16.6 ± 59.6 0.0 0.0 302.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2

Sex vs aVL Lead: Amplitude of the secondary R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 12.1 ± 41.1 0.0 0.0 468.0 3 735
Female 404 12.0 ± 41.0 0.0 0.0 302.0 2 406
Male 328 12.3 ± 41.2 0.0 0.0 468.0 1 329

Race vs aVL Lead: Amplitude of the secondary R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 12.1 ± 41.1 0.0 0.0 468.0 3 735
White 303 10.2 ± 40.9 0.0 0.0 468.0 1 304
Black 407 13.8 ± 41.7 0.0 0.0 302.0 2 409
Other 22 6.2 ± 29.0 0.0 0.0 136.0 - 22