Cleveland Family Study

/datasets/cfs/variables/v3qd /datasets/cfs/variables/v3rd

V3: Absolute amplitude of the R-wave

Units millimeters
Type numeric

Visit vs V3: Absolute amplitude of the R-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 837.2 ± 579.2 705.5 0.0 4,223.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 840.8 ± 587.4 703.0 0.0 4,223.0 3 658
5-14 yrs old 63 1,462.9 ± 714.9 1,303.0 400.0 4,223.0 1 64
15-24 yrs old 112 1,056.2 ± 696.3 893.0 19.0 3,500.0 - 112
25-34 yrs old 62 852.1 ± 493.4 817.5 48.0 2,377.0 - 62
35-44 years 97 696.4 ± 411.3 659.0 87.0 2,202.0 1 98
45-54 years 147 677.6 ± 444.3 605.0 0.0 2,568.0 1 148
55-64 years 84 675.3 ± 379.8 595.0 19.0 1,630.0 - 84
65-74 years 57 665.3 ± 480.2 532.0 24.0 2,197.0 - 57
75-84 years 31 788.2 ± 714.0 527.0 43.0 2,788.0 - 31
85 years or older 2 602.5 ± 535.3 602.5 224.0 981.0 - 2

Sex vs V3: Absolute amplitude of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 837.2 ± 579.2 705.5 0.0 4,223.0 3 735
Female 404 708.6 ± 468.8 617.5 39.0 2,817.0 2 406
Male 328 995.6 ± 658.5 886.0 0.0 4,223.0 1 329

Race vs V3: Absolute amplitude of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 837.2 ± 579.2 705.5 0.0 4,223.0 3 735
White 303 712.7 ± 498.1 620.0 0.0 4,223.0 1 304
Black 407 927.4 ± 624.8 781.0 24.0 3,500.0 2 409
Other 22 882.6 ± 424.1 812.5 19.0 1,909.0 - 22