Age

Visit vs Lead II: Minimum amplitude of the P-wave
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 107.1 ± 40.9 107.0 -34.0 263.0 3 735
Participant's age (category) vs Lead II: Minimum amplitude of the P-wave
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 106.6 ± 41.6 107.0 -34.0 263.0 3 658
5-14 yrs old 63 107.2 ± 42.9 107.0 -9.0 180.0 1 64
15-24 yrs old 112 99.7 ± 37.6 97.0 -29.0 224.0 - 112
25-34 yrs old 62 104.2 ± 40.3 102.0 0.0 219.0 - 62
35-44 years 97 112.4 ± 41.5 112.0 -34.0 263.0 1 98
45-54 years 147 109.2 ± 38.0 107.0 0.0 214.0 1 148
55-64 years 84 117.2 ± 42.6 122.0 0.0 219.0 - 84
65-74 years 57 97.8 ± 46.8 97.0 0.0 195.0 - 57
75-84 years 31 96.3 ± 49.3 97.0 -19.0 190.0 - 31
85 years or older 2 36.5 ± 51.6 36.5 0.0 73.0 - 2
Participant's sex vs Lead II: Minimum amplitude of the P-wave
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 107.1 ± 40.9 107.0 -34.0 263.0 3 735
Female 404 113.3 ± 39.9 112.0 -34.0 263.0 2 406
Male 328 99.4 ± 40.8 97.0 -29.0 224.0 1 329
Participant's race vs Lead II: Minimum amplitude of the P-wave
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 107.1 ± 40.9 107.0 -34.0 263.0 3 735
White 303 100.4 ± 40.0 97.0 -34.0 224.0 1 304
Black 407 112.0 ± 40.7 112.0 -29.0 263.0 2 409
More than one race 22 107.4 ± 45.0 107.0 9.0 180.0 - 22