Cleveland Family Study

/datasets/cfs/variables/iispa /datasets/cfs/variables/iistj

Lead II: Amplitude of the S-T wave at the endpoint

Units millimeters
Type numeric

Visit vs Lead II: Amplitude of the S-T wave at the endpoint

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 56.2 ± 53.0 53.0 -230.0 380.0 3 735

Age at time of visit vs Lead II: Amplitude of the S-T wave at the endpoint

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 55.9 ± 53.4 48.0 -230.0 380.0 3 658
5-14 yrs old 63 90.2 ± 42.1 87.0 4.0 185.0 1 64
15-24 yrs old 112 96.2 ± 59.3 83.0 0.0 341.0 - 112
25-34 yrs old 62 68.2 ± 55.9 58.0 -25.0 380.0 - 62
35-44 years 97 55.1 ± 39.8 58.0 -64.0 151.0 1 98
45-54 years 147 39.9 ± 36.4 34.0 -49.0 122.0 1 148
55-64 years 84 29.7 ± 33.9 29.0 -79.0 131.0 - 84
65-74 years 57 28.3 ± 52.0 29.0 -147.0 190.0 - 57
75-84 years 31 19.5 ± 63.2 19.0 -230.0 151.0 - 31
85 years or older 2 -15.0 ± 55.2 -15.0 -54.0 24.0 - 2

Sex vs Lead II: Amplitude of the S-T wave at the endpoint

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 56.2 ± 53.0 53.0 -230.0 380.0 3 735
Female 404 46.3 ± 40.1 43.0 -230.0 190.0 2 406
Male 328 68.3 ± 63.5 63.0 -147.0 380.0 1 329

Race vs Lead II: Amplitude of the S-T wave at the endpoint

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 56.2 ± 53.0 53.0 -230.0 380.0 3 735
White 303 50.8 ± 51.0 48.0 -230.0 258.0 1 304
Black 407 58.7 ± 54.4 53.0 -103.0 380.0 2 409
Other 22 83.4 ± 42.2 87.0 24.0 180.0 - 22