Cleveland Family Study

/datasets/cfs/variables/v2qd /datasets/cfs/variables/v2rd

V2: Absolute amplitude of the R-wave

Units millimeters
Type numeric

Visit vs V2: Absolute amplitude of the R-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 439.3 ± 363.8 351.0 0.0 3,041.0 3 735

Age at time of visit vs V2: Absolute amplitude of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 445.9 ± 371.4 351.0 0.0 3,041.0 3 658
5-14 yrs old 63 858.3 ± 510.2 751.0 29.0 3,041.0 1 64
15-24 yrs old 112 578.9 ± 425.7 483.0 19.0 2,143.0 - 112
25-34 yrs old 62 437.6 ± 287.5 397.5 29.0 1,357.0 - 62
35-44 years 97 378.7 ± 238.3 346.0 24.0 1,318.0 1 98
45-54 years 147 326.9 ± 262.3 249.0 0.0 1,323.0 1 148
55-64 years 84 332.0 ± 270.3 255.5 24.0 1,381.0 - 84
65-74 years 57 343.9 ± 321.3 283.0 0.0 1,518.0 - 57
75-84 years 31 423.2 ± 387.6 327.0 0.0 1,796.0 - 31
85 years or older 2 302.5 ± 331.6 302.5 68.0 537.0 - 2

Sex vs V2: Absolute amplitude of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 439.3 ± 363.8 351.0 0.0 3,041.0 3 735
Female 404 377.2 ± 288.2 307.0 0.0 1,601.0 2 406
Male 328 515.8 ± 427.7 419.5 0.0 3,041.0 1 329

Race vs V2: Absolute amplitude of the R-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 439.3 ± 363.8 351.0 0.0 3,041.0 3 735
White 303 378.3 ± 316.6 297.0 0.0 1,796.0 1 304
Black 407 477.1 ± 390.5 385.0 0.0 3,041.0 2 409
Other 22 579.7 ± 339.0 510.0 112.0 1,499.0 - 22