Cleveland Family Study

/datasets/cfs/variables/v5ra /datasets/cfs/variables/v5rpa

V5: Duration of the R-wave

Units milliseconds
Type numeric

Visit vs V5: Duration of the R-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 56.4 ± 16.4 52.5 24.0 126.0 3 735

Age at time of visit vs V5: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 56.5 ± 16.4 53.0 24.0 126.0 3 658
5-14 yrs old 63 51.2 ± 18.2 46.0 24.0 92.0 1 64
15-24 yrs old 112 58.3 ± 17.8 53.5 31.0 104.0 - 112
25-34 yrs old 62 56.3 ± 15.0 53.5 34.0 100.0 - 62
35-44 years 97 57.4 ± 15.9 53.0 29.0 96.0 1 98
45-54 years 147 56.3 ± 15.5 53.0 30.0 96.0 1 148
55-64 years 84 54.4 ± 13.1 51.0 30.0 96.0 - 84
65-74 years 57 55.5 ± 14.0 53.0 35.0 93.0 - 57
75-84 years 31 65.2 ± 22.9 59.0 34.0 126.0 - 31
85 years or older 2 71.0 ± 29.7 71.0 50.0 92.0 - 2

Sex vs V5: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 56.4 ± 16.4 52.5 24.0 126.0 3 735
Female 404 56.8 ± 16.7 52.0 24.0 126.0 2 406
Male 328 55.9 ± 15.9 53.0 27.0 104.0 1 329

Race vs V5: Duration of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 56.4 ± 16.4 52.5 24.0 126.0 3 735
White 303 53.8 ± 14.2 51.0 30.0 126.0 1 304
Black 407 58.0 ± 17.4 54.0 24.0 108.0 2 409
Other 22 62.1 ± 18.0 60.5 36.0 100.0 - 22