Cleveland Family Study

/datasets/cfs/variables/v5rd /datasets/cfs/variables/v5rpd

V5: Amplitude of the secondary R-wave

Units millimeters
Type numeric

Visit vs V5: Amplitude of the secondary R-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 3.3 ± 20.7 0.0 0.0 292.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 2.7 ± 19.6 0.0 0.0 292.0 3 658
5-14 yrs old 63 6.7 ± 30.8 0.0 0.0 166.0 1 64
15-24 yrs old 112 3.7 ± 22.1 0.0 0.0 185.0 - 112
25-34 yrs old 62 2.4 ± 13.1 0.0 0.0 83.0 - 62
35-44 years 97 4.0 ± 31.0 0.0 0.0 292.0 1 98
45-54 years 147 2.5 ± 14.1 0.0 0.0 107.0 1 148
55-64 years 84 0.6 ± 5.8 0.0 0.0 53.0 - 84
65-74 years 57 0.0 ± 0.0 0.0 0.0 0.0 - 57
75-84 years 31 0.0 ± 0.0 0.0 0.0 0.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2

Sex vs V5: Amplitude of the secondary R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 3.3 ± 20.7 0.0 0.0 292.0 3 735
Female 404 1.7 ± 12.7 0.0 0.0 151.0 2 406
Male 328 5.2 ± 27.5 0.0 0.0 292.0 1 329

Race vs V5: Amplitude of the secondary R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 3.3 ± 20.7 0.0 0.0 292.0 3 735
White 303 0.8 ± 9.9 0.0 0.0 151.0 1 304
Black 407 5.3 ± 26.3 0.0 0.0 292.0 2 409
Other 22 0.0 ± 0.0 0.0 0.0 0.0 - 22