Age

Visit vs aVL Lead: Amplitude of the secondary S wave (Left Arm)
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 3.7 ± 34.1 0.0 0.0 620.0 3 735
Participant's age (category) vs aVL Lead: Amplitude of the secondary S wave (Left Arm)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 3.4 ± 33.7 0.0 0.0 620.0 3 658
5-14 yrs old 63 0.0 ± 0.0 0.0 0.0 0.0 1 64
15-24 yrs old 112 7.6 ± 41.5 0.0 0.0 322.0 - 112
25-34 yrs old 62 0.4 ± 3.0 0.0 0.0 24.0 - 62
35-44 years 97 1.9 ± 17.3 0.0 0.0 170.0 1 98
45-54 years 147 3.7 ± 30.5 0.0 0.0 341.0 1 148
55-64 years 84 0.3 ± 2.6 0.0 0.0 24.0 - 84
65-74 years 57 0.0 ± 0.0 0.0 0.0 0.0 - 57
75-84 years 31 20.0 ± 111.4 0.0 0.0 620.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2
Participant's sex vs aVL Lead: Amplitude of the secondary S wave (Left Arm)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 3.7 ± 34.1 0.0 0.0 620.0 3 735
Female 404 3.4 ± 35.7 0.0 0.0 620.0 2 406
Male 328 4.1 ± 32.1 0.0 0.0 341.0 1 329
Participant's race vs aVL Lead: Amplitude of the secondary S wave (Left Arm)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 3.7 ± 34.1 0.0 0.0 620.0 3 735
White 303 5.8 ± 47.6 0.0 0.0 620.0 1 304
Black 407 2.3 ± 20.1 0.0 0.0 258.0 2 409
More than one race 22 0.0 ± 0.0 0.0 0.0 0.0 - 22