Histogram

Visit vs V3: Duration of the secondary R-wave
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 1.3 ± 6.6 0.0 0.0 88.0 3 735
Participant's age (category) vs V3: Duration of the secondary R-wave
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 1.4 ± 6.9 0.0 0.0 88.0 3 658
5-14 yrs old 63 1.5 ± 5.8 0.0 0.0 30.0 1 64
15-24 yrs old 112 1.4 ± 6.3 0.0 0.0 40.0 - 112
25-34 yrs old 62 2.0 ± 6.9 0.0 0.0 30.0 - 62
35-44 years 97 0.2 ± 1.7 0.0 0.0 17.0 1 98
45-54 years 147 1.1 ± 5.1 0.0 0.0 32.0 1 148
55-64 years 84 1.7 ± 7.8 0.0 0.0 57.0 - 84
65-74 years 57 2.3 ± 12.8 0.0 0.0 88.0 - 57
75-84 years 31 2.4 ± 10.4 0.0 0.0 56.0 - 31
85 years or older 2 0.0 ± 0.0 0.0 0.0 0.0 - 2
Participant's sex vs V3: Duration of the secondary R-wave
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 1.3 ± 6.6 0.0 0.0 88.0 3 735
Female 404 0.8 ± 4.3 0.0 0.0 32.0 2 406
Male 328 1.8 ± 8.6 0.0 0.0 88.0 1 329
Participant's race vs V3: Duration of the secondary R-wave
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 1.3 ± 6.6 0.0 0.0 88.0 3 735
White 303 0.2 ± 2.9 0.0 0.0 42.0 1 304
Black 407 2.0 ± 8.2 0.0 0.0 88.0 2 409
More than one race 22 1.6 ± 7.7 0.0 0.0 36.0 - 22