Cleveland Family Study

/datasets/cfs/variables/iisa /datasets/cfs/variables/iispa

Lead II: Duration of the S-wave

Units milliseconds
Type numeric

Visit vs Lead II: Duration of the S-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 15.7 ± 19.4 10.0 0.0 150.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 16.2 ± 19.8 10.0 0.0 150.0 3 658
5-14 yrs old 63 11.0 ± 14.3 0.0 0.0 47.0 1 64
15-24 yrs old 112 13.2 ± 15.2 10.0 0.0 67.0 - 112
25-34 yrs old 62 14.5 ± 17.2 9.0 0.0 60.0 - 62
35-44 years 97 12.1 ± 15.9 0.0 0.0 65.0 1 98
45-54 years 147 14.8 ± 17.1 8.0 0.0 62.0 1 148
55-64 years 84 19.0 ± 21.5 16.0 0.0 96.0 - 84
65-74 years 57 26.7 ± 24.7 27.0 0.0 105.0 - 57
75-84 years 31 32.9 ± 36.9 22.0 0.0 150.0 - 31
85 years or older 2 16.5 ± 23.3 16.5 0.0 33.0 - 2

Sex vs Lead II: Duration of the S-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 15.7 ± 19.4 10.0 0.0 150.0 3 735
Female 404 13.3 ± 17.7 0.0 0.0 105.0 2 406
Male 328 18.7 ± 20.9 16.0 0.0 150.0 1 329

Race vs Lead II: Duration of the S-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 15.7 ± 19.4 10.0 0.0 150.0 3 735
White 303 18.9 ± 19.9 17.0 0.0 150.0 1 304
Black 407 13.8 ± 19.1 0.0 0.0 105.0 2 409
Other 22 8.3 ± 10.4 0.0 0.0 24.0 - 22