Cleveland Family Study

/datasets/cfs/variables/v6qa /datasets/cfs/variables/v6ra

V6: Duration of the Q-wave

Units milliseconds
Type numeric

Visit vs V6: Duration of the Q-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 12.2 ± 10.1 15.0 0.0 50.0 3 735

Age at time of visit vs V6: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 12.3 ± 10.2 15.0 0.0 50.0 3 658
5-14 yrs old 63 17.2 ± 8.4 19.0 0.0 32.0 1 64
15-24 yrs old 112 16.3 ± 9.6 18.5 0.0 37.0 - 112
25-34 yrs old 62 13.1 ± 9.5 16.0 0.0 28.0 - 62
35-44 years 97 12.0 ± 9.9 15.0 0.0 29.0 1 98
45-54 years 147 11.1 ± 10.0 14.0 0.0 30.0 1 148
55-64 years 84 9.9 ± 9.7 13.5 0.0 27.0 - 84
65-74 years 57 7.9 ± 11.1 0.0 0.0 50.0 - 57
75-84 years 31 7.3 ± 10.3 0.0 0.0 26.0 - 31
85 years or older 2 8.5 ± 12.0 8.5 0.0 17.0 - 2

Sex vs V6: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 12.2 ± 10.1 15.0 0.0 50.0 3 735
Female 404 11.8 ± 9.7 15.0 0.0 32.0 2 406
Male 328 12.6 ± 10.7 16.0 0.0 50.0 1 329

Race vs V6: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 12.2 ± 10.1 15.0 0.0 50.0 3 735
White 303 14.3 ± 9.9 17.0 0.0 50.0 1 304
Black 407 10.3 ± 10.0 13.0 0.0 33.0 2 409
Other 22 16.2 ± 9.5 17.0 0.0 37.0 - 22