Cleveland Family Study

/datasets/cfs/variables/istj /datasets/cfs/variables/ita

Lead I: Amplitude of the S-T wave at the midpoint

Units millimeters
Type numeric

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

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 28.5 ± 31.3 29.0 -127.0 156.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 27.9 ± 32.0 29.0 -127.0 156.0 3 658
5-14 yrs old 63 44.6 ± 29.4 39.0 -69.0 141.0 1 64
15-24 yrs old 112 48.2 ± 27.6 43.0 -10.0 156.0 - 112
25-34 yrs old 62 43.9 ± 27.5 43.0 -10.0 102.0 - 62
35-44 years 97 31.4 ± 28.7 29.0 -98.0 97.0 1 98
45-54 years 147 20.1 ± 24.7 19.0 -54.0 87.0 1 148
55-64 years 84 12.0 ± 23.6 9.0 -54.0 83.0 - 84
65-74 years 57 5.6 ± 35.6 14.0 -127.0 112.0 - 57
75-84 years 31 2.3 ± 34.9 0.0 -98.0 53.0 - 31
85 years or older 2 -8.0 ± 38.2 -8.0 -35.0 19.0 - 2

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 28.5 ± 31.3 29.0 -127.0 156.0 3 735
Female 404 22.0 ± 27.0 19.0 -98.0 112.0 2 406
Male 328 36.5 ± 34.3 34.0 -127.0 156.0 1 329

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 28.5 ± 31.3 29.0 -127.0 156.0 3 735
White 303 20.7 ± 29.9 19.0 -98.0 117.0 1 304
Black 407 33.7 ± 31.4 34.0 -127.0 156.0 2 409
Other 22 38.9 ± 26.9 34.0 0.0 102.0 - 22