Cleveland Family Study

/datasets/cfs/variables/avlqd /datasets/cfs/variables/avlrd

aVL Lead: Absolute amplitude of the R-wave

Units millimeters
Type numeric

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

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 441.4 ± 314.9 382.5 0.0 1,850.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 444.9 ± 315.8 390.0 0.0 1,850.0 3 658
5-14 yrs old 63 345.7 ± 293.3 249.0 0.0 1,293.0 1 64
15-24 yrs old 112 277.6 ± 218.5 226.5 14.0 1,196.0 - 112
25-34 yrs old 62 369.0 ± 251.6 292.0 48.0 942.0 - 62
35-44 years 97 499.2 ± 341.0 483.0 0.0 1,840.0 1 98
45-54 years 147 470.6 ± 300.1 458.0 0.0 1,372.0 1 148
55-64 years 84 514.8 ± 298.3 488.0 53.0 1,337.0 - 84
65-74 years 57 574.0 ± 346.5 537.0 24.0 1,850.0 - 57
75-84 years 31 705.6 ± 372.1 678.0 29.0 1,425.0 - 31
85 years or older 2 126.5 ± 48.8 126.5 92.0 161.0 - 2

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 441.4 ± 314.9 382.5 0.0 1,850.0 3 735
Female 404 427.5 ± 314.7 358.5 0.0 1,840.0 2 406
Male 328 458.4 ± 314.7 417.0 0.0 1,850.0 1 329

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 441.4 ± 314.9 382.5 0.0 1,850.0 3 735
White 303 413.0 ± 293.5 356.0 0.0 1,318.0 1 304
Black 407 469.3 ± 329.2 405.0 0.0 1,850.0 2 409
Other 22 315.8 ± 271.4 204.5 24.0 991.0 - 22