Cleveland Family Study

Name

iqd

Label

Lead I: Duration of the Q-wave

Units
milliseconds
Type
numeric

Visit vs Lead I: Duration of the Q-wave

N Mean StdDev Median Min Max Unknown Total
Visit 5 732 10.3 ± 10.1 13.0 0.0 46.0 3 735

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

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 10.5 ± 10.2 14.0 0.0 46.0 3 658
5-14 yrs old 63 10.7 ± 11.1 13.0 0.0 45.0 1 64
15-24 yrs old 112 8.8 ± 10.1 0.0 0.0 36.0 - 112
25-34 yrs old 62 11.3 ± 9.7 16.0 0.0 26.0 - 62
35-44 years 97 11.6 ± 9.9 15.0 0.0 29.0 1 98
45-54 years 147 9.9 ± 9.9 13.0 0.0 27.0 1 148
55-64 years 84 10.3 ± 9.9 14.0 0.0 29.0 - 84
65-74 years 57 12.4 ± 11.0 16.0 0.0 46.0 - 57
75-84 years 31 10.1 ± 10.9 0.0 0.0 28.0 - 31
85 years or older 2 9.5 ± 13.4 9.5 0.0 19.0 - 2

Sex vs Lead I: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 10.3 ± 10.1 13.0 0.0 46.0 3 735
Female 404 8.9 ± 9.8 0.0 0.0 45.0 2 406
Male 328 11.9 ± 10.3 15.0 0.0 46.0 1 329

Race vs Lead I: Duration of the Q-wave

Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 10.3 ± 10.1 13.0 0.0 46.0 3 735
White 303 11.8 ± 10.7 16.0 0.0 46.0 1 304
Black 407 9.1 ± 9.5 0.0 0.0 33.0 2 409
Other 22 10.8 ± 11.2 14.0 0.0 36.0 - 22