Cleveland Family Study

/datasets/cfs/variables/v1qa /datasets/cfs/variables/v1ra

V1: Duration of the Q-wave

Units milliseconds
Type numeric

Visit vs V1: Duration of the Q-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 8.5 ± 24.6 0.0 0.0 156.0 3 735

Age at time of visit vs V1: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 8.5 ± 24.8 0.0 0.0 156.0 3 658
5-14 yrs old 63 1.9 ± 10.8 0.0 0.0 75.0 1 64
15-24 yrs old 112 2.4 ± 12.8 0.0 0.0 80.0 - 112
25-34 yrs old 62 6.2 ± 20.7 0.0 0.0 88.0 - 62
35-44 years 97 4.6 ± 16.8 0.0 0.0 84.0 1 98
45-54 years 147 10.7 ± 26.2 0.0 0.0 96.0 1 148
55-64 years 84 12.3 ± 29.3 0.0 0.0 100.0 - 84
65-74 years 57 17.9 ± 34.8 0.0 0.0 128.0 - 57
75-84 years 31 24.3 ± 45.2 0.0 0.0 156.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2

Sex vs V1: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 8.5 ± 24.6 0.0 0.0 156.0 3 735
Female 404 7.1 ± 22.9 0.0 0.0 156.0 2 406
Male 328 10.2 ± 26.5 0.0 0.0 128.0 1 329

Race vs V1: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 8.5 ± 24.6 0.0 0.0 156.0 3 735
White 303 9.5 ± 26.2 0.0 0.0 156.0 1 304
Black 407 8.2 ± 23.9 0.0 0.0 128.0 2 409
Other 22 0.7 ± 3.2 0.0 0.0 15.0 - 22