Cleveland Family Study

/datasets/cfs/variables/v6ra /datasets/cfs/variables/v6rpa

V6: Duration of the R-wave

Units milliseconds
Type numeric

Visit vs V6: Duration of the R-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 61.9 ± 17.6 61.0 17.0 139.0 3 735

Age at time of visit vs V6: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 61.8 ± 17.8 61.0 17.0 139.0 3 658
5-14 yrs old 63 53.4 ± 18.4 54.0 17.0 96.0 1 64
15-24 yrs old 112 62.3 ± 17.3 63.5 35.0 104.0 - 112
25-34 yrs old 62 61.4 ± 15.4 61.0 35.0 100.0 - 62
35-44 years 97 63.4 ± 15.9 64.0 33.0 104.0 1 98
45-54 years 147 62.2 ± 16.8 60.0 30.0 100.0 1 148
55-64 years 84 61.9 ± 17.0 61.0 33.0 128.0 - 84
65-74 years 57 61.4 ± 18.2 59.0 33.0 139.0 - 57
75-84 years 31 70.9 ± 27.4 65.0 35.0 135.0 - 31
85 years or older 2 70.5 ± 30.4 70.5 49.0 92.0 - 2

Sex vs V6: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 61.9 ± 17.6 61.0 17.0 139.0 3 735
Female 404 62.6 ± 16.7 64.0 30.0 135.0 2 406
Male 328 61.0 ± 18.7 59.0 17.0 139.0 1 329

Race vs V6: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 61.9 ± 17.6 61.0 17.0 139.0 3 735
White 303 59.4 ± 16.9 59.0 27.0 135.0 1 304
Black 407 63.6 ± 18.0 64.0 17.0 139.0 2 409
Other 22 63.2 ± 16.4 63.0 36.0 100.0 - 22