Cleveland Family Study

/datasets/cfs/variables/avlra /datasets/cfs/variables/avlrpa

aVL Lead: Duration of the R-wave

Units milliseconds
Type numeric

Visit vs aVL Lead: Duration of the R-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 49.7 ± 21.9 46.0 0.0 163.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 49.8 ± 22.2 46.0 0.0 163.0 3 658
5-14 yrs old 63 35.9 ± 19.0 32.0 0.0 96.0 1 64
15-24 yrs old 112 42.8 ± 19.0 38.0 11.0 104.0 - 112
25-34 yrs old 62 46.7 ± 19.6 41.5 20.0 96.0 - 62
35-44 years 97 49.8 ± 19.5 48.0 0.0 100.0 1 98
45-54 years 147 51.3 ± 19.3 49.0 0.0 108.0 1 148
55-64 years 84 54.3 ± 21.6 47.5 11.0 128.0 - 84
65-74 years 57 59.7 ± 22.3 60.0 19.0 148.0 - 57
75-84 years 31 71.0 ± 36.4 66.0 12.0 163.0 - 31
85 years or older 2 56.5 ± 3.5 56.5 54.0 59.0 - 2

Sex vs aVL Lead: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 49.7 ± 21.9 46.0 0.0 163.0 3 735
Female 404 49.8 ± 22.8 46.0 0.0 163.0 2 406
Male 328 49.6 ± 20.7 46.0 0.0 128.0 1 329

Race vs aVL Lead: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 49.7 ± 21.9 46.0 0.0 163.0 3 735
White 303 48.9 ± 20.6 45.0 0.0 163.0 1 304
Black 407 50.6 ± 22.8 46.0 0.0 148.0 2 409
Other 22 44.0 ± 21.2 38.5 8.0 96.0 - 22