Cleveland Family Study

/datasets/cfs/variables/v4sa /datasets/cfs/variables/v4spa

V4: Duration of the S-wave

Units milliseconds
Type numeric

Visit vs V4: Duration of the S-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 29.1 ± 19.3 29.0 0.0 135.0 3 735

Age at time of visit vs V4: Duration of the S-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 29.6 ± 19.8 29.0 0.0 135.0 3 658
5-14 yrs old 63 18.0 ± 13.8 17.0 0.0 46.0 1 64
15-24 yrs old 112 22.0 ± 14.8 22.0 0.0 56.0 - 112
25-34 yrs old 62 27.6 ± 16.7 27.0 0.0 67.0 - 62
35-44 years 97 27.2 ± 15.5 28.0 0.0 59.0 1 98
45-54 years 147 30.3 ± 16.3 32.0 0.0 69.0 1 148
55-64 years 84 36.1 ± 20.0 35.0 0.0 105.0 - 84
65-74 years 57 41.1 ± 21.9 43.0 0.0 108.0 - 57
75-84 years 31 50.4 ± 35.8 38.0 0.0 135.0 - 31
85 years or older 2 19.0 ± 26.9 19.0 0.0 38.0 - 2

Sex vs V4: Duration of the S-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 29.1 ± 19.3 29.0 0.0 135.0 3 735
Female 404 27.2 ± 18.9 28.0 0.0 126.0 2 406
Male 328 31.4 ± 19.6 30.5 0.0 135.0 1 329

Race vs V4: Duration of the S-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 29.1 ± 19.3 29.0 0.0 135.0 3 735
White 303 33.7 ± 19.3 33.0 0.0 135.0 1 304
Black 407 26.3 ± 18.8 25.0 0.0 108.0 2 409
Other 22 16.3 ± 15.1 17.5 0.0 45.0 - 22