Cleveland Family Study

/datasets/cfs/variables/v3ra /datasets/cfs/variables/v3rpa

V3: Duration of the R-wave

Units milliseconds
Type numeric

Visit vs V3: Duration of the R-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 47.2 ± 14.4 47.0 0.0 144.0 3 735

Age at time of visit vs V3: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 47.2 ± 14.4 47.0 0.0 144.0 3 658
5-14 yrs old 63 48.4 ± 14.9 46.0 26.0 96.0 1 64
15-24 yrs old 112 49.5 ± 12.1 50.0 17.0 91.0 - 112
25-34 yrs old 62 47.1 ± 13.8 47.0 15.0 100.0 - 62
35-44 years 97 47.2 ± 12.2 47.0 23.0 100.0 1 98
45-54 years 147 46.6 ± 13.7 46.0 0.0 100.0 1 148
55-64 years 84 46.2 ± 16.1 45.0 16.0 144.0 - 84
65-74 years 57 44.3 ± 16.6 46.0 11.0 119.0 - 57
75-84 years 31 47.8 ± 21.7 43.0 17.0 121.0 - 31
85 years or older 2 38.5 ± 19.1 38.5 25.0 52.0 - 2

Sex vs V3: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 47.2 ± 14.4 47.0 0.0 144.0 3 735
Female 404 45.8 ± 13.9 45.0 11.0 121.0 2 406
Male 328 49.0 ± 14.9 48.0 0.0 144.0 1 329

Race vs V3: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 47.2 ± 14.4 47.0 0.0 144.0 3 735
White 303 46.9 ± 13.2 48.0 0.0 121.0 1 304
Black 407 46.8 ± 14.5 46.0 13.0 144.0 2 409
Other 22 58.8 ± 22.8 54.0 17.0 100.0 - 22