Cleveland Family Study

/datasets/cfs/variables/v4stj /datasets/cfs/variables/v4ta

V4: Amplitude of the S-T wave at the midpoint

Units millimeters
Type numeric

Visit vs V4: Amplitude of the S-T wave at the midpoint

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 60.4 ± 59.6 53.0 -167.0 634.0 3 735

Age at time of visit vs V4: Amplitude of the S-T wave at the midpoint

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 59.8 ± 60.0 53.0 -167.0 634.0 3 658
5-14 yrs old 63 86.3 ± 42.3 87.0 -10.0 170.0 1 64
15-24 yrs old 112 91.8 ± 59.5 80.5 9.0 278.0 - 112
25-34 yrs old 62 79.0 ± 59.0 68.0 4.0 302.0 - 62
35-44 years 97 55.9 ± 55.9 53.0 -49.0 336.0 1 98
45-54 years 147 46.2 ± 41.8 43.0 -84.0 185.0 1 148
55-64 years 84 36.2 ± 43.0 24.0 -40.0 166.0 - 84
65-74 years 57 41.1 ± 95.7 29.0 -137.0 634.0 - 57
75-84 years 31 34.4 ± 53.8 34.0 -167.0 156.0 - 31
85 years or older 2 -47.0 ± 100.4 -47.0 -118.0 24.0 - 2

Sex vs V4: Amplitude of the S-T wave at the midpoint

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 60.4 ± 59.6 53.0 -167.0 634.0 3 735
Female 404 39.9 ± 37.0 39.0 -167.0 219.0 2 406
Male 328 85.7 ± 71.5 83.0 -137.0 634.0 1 329

Race vs V4: Amplitude of the S-T wave at the midpoint

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 60.4 ± 59.6 53.0 -167.0 634.0 3 735
White 303 48.2 ± 50.0 43.0 -167.0 224.0 1 304
Black 407 68.7 ± 64.6 58.0 -113.0 634.0 2 409
Other 22 77.3 ± 56.9 73.0 9.0 190.0 - 22