Cleveland Family Study

/datasets/cfs/variables/avlqa /datasets/cfs/variables/avlra

aVL Lead: Duration of the Q-wave

Units milliseconds
Type numeric

Visit vs aVL Lead: Duration of the Q-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 12.0 ± 13.9 14.0 0.0 119.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 12.2 ± 13.8 14.0 0.0 119.0 3 658
5-14 yrs old 63 13.3 ± 18.3 0.0 0.0 88.0 1 64
15-24 yrs old 112 8.8 ± 12.0 0.0 0.0 59.0 - 112
25-34 yrs old 62 11.7 ± 12.2 14.0 0.0 49.0 - 62
35-44 years 97 14.5 ± 13.5 17.0 0.0 84.0 1 98
45-54 years 147 11.4 ± 12.8 13.0 0.0 88.0 1 148
55-64 years 84 12.1 ± 11.5 15.5 0.0 53.0 - 84
65-74 years 57 16.5 ± 18.0 18.0 0.0 119.0 - 57
75-84 years 31 12.5 ± 12.4 15.0 0.0 36.0 - 31
85 years or older 2 12.5 ± 17.7 12.5 0.0 25.0 - 2

Sex vs aVL Lead: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 12.0 ± 13.9 14.0 0.0 119.0 3 735
Female 404 11.3 ± 13.8 6.0 0.0 88.0 2 406
Male 328 12.8 ± 14.0 15.0 0.0 119.0 1 329

Race vs aVL Lead: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 12.0 ± 13.9 14.0 0.0 119.0 3 735
White 303 12.3 ± 14.3 15.0 0.0 88.0 1 304
Black 407 11.8 ± 13.7 14.0 0.0 119.0 2 409
Other 22 9.7 ± 11.9 0.0 0.0 37.0 - 22