Cleveland Family Study

/datasets/cfs/variables/avfqa /datasets/cfs/variables/avfra

aVF Lead: Duration of the Q-wave

Units milliseconds
Type numeric

Visit vs aVF Lead: Duration of the Q-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 9.2 ± 12.6 0.0 0.0 111.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 9.1 ± 12.8 0.0 0.0 111.0 3 658
5-14 yrs old 63 11.1 ± 11.5 13.0 0.0 33.0 1 64
15-24 yrs old 112 13.3 ± 11.7 17.0 0.0 37.0 - 112
25-34 yrs old 62 9.3 ± 10.4 0.0 0.0 29.0 - 62
35-44 years 97 7.6 ± 11.3 0.0 0.0 39.0 1 98
45-54 years 147 10.2 ± 13.9 0.0 0.0 80.0 1 148
55-64 years 84 5.1 ± 10.9 0.0 0.0 51.0 - 84
65-74 years 57 5.4 ± 11.7 0.0 0.0 66.0 - 57
75-84 years 31 7.9 ± 21.3 0.0 0.0 111.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2

Sex vs aVF Lead: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 9.2 ± 12.6 0.0 0.0 111.0 3 735
Female 404 9.4 ± 12.4 0.0 0.0 111.0 2 406
Male 328 8.8 ± 12.7 0.0 0.0 79.0 1 329

Race vs aVF Lead: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 9.2 ± 12.6 0.0 0.0 111.0 3 735
White 303 10.4 ± 11.8 0.0 0.0 46.0 1 304
Black 407 8.2 ± 13.1 0.0 0.0 111.0 2 409
Other 22 10.3 ± 11.0 6.0 0.0 26.0 - 22