Cleveland Family Study

/datasets/cfs/variables/avlrpa /datasets/cfs/variables/avlsa

aVL Lead: Duration of the secondary R wave

Units milliseconds
Type numeric

Visit vs aVL Lead: Duration of the secondary R wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 3.5 ± 10.3 0.0 0.0 71.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 3.4 ± 10.2 0.0 0.0 71.0 3 658
5-14 yrs old 63 6.0 ± 13.2 0.0 0.0 44.0 1 64
15-24 yrs old 112 6.7 ± 13.6 0.0 0.0 71.0 - 112
25-34 yrs old 62 5.2 ± 12.3 0.0 0.0 53.0 - 62
35-44 years 97 2.5 ± 8.3 0.0 0.0 41.0 1 98
45-54 years 147 2.3 ± 8.8 0.0 0.0 54.0 1 148
55-64 years 84 1.0 ± 4.7 0.0 0.0 29.0 - 84
65-74 years 57 1.3 ± 8.2 0.0 0.0 61.0 - 57
75-84 years 31 2.2 ± 7.3 0.0 0.0 33.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2

Sex vs aVL Lead: Duration of the secondary R wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 3.5 ± 10.3 0.0 0.0 71.0 3 735
Female 404 3.2 ± 9.9 0.0 0.0 61.0 2 406
Male 328 3.8 ± 10.7 0.0 0.0 71.0 1 329

Race vs aVL Lead: Duration of the secondary R wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 3.5 ± 10.3 0.0 0.0 71.0 3 735
White 303 3.1 ± 9.9 0.0 0.0 71.0 1 304
Black 407 3.9 ± 10.4 0.0 0.0 53.0 2 409
Other 22 2.8 ± 13.0 0.0 0.0 61.0 - 22