Name
iisa
Label
Lead II: Absolute amplitude of the S-wave
Units
millimeters
Type
numeric
Visit vs Lead II: Absolute amplitude of the S-wave
N Mean StdDev Median Min Max Unknown Total
Visit 5 732 95.9 ± 142.9 34.0 0.0 1,235.0 3 735
Age at time of visit vs Lead II: Absolute amplitude of the S-wave
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 655 99.5 ± 147.9 39.0 0.0 1,235.0 3 658
5-14 yrs old 63 98.5 ± 150.9 0.0 0.0 644.0 1 64
15-24 yrs old 112 84.3 ± 117.9 36.5 0.0 668.0 - 112
25-34 yrs old 62 86.6 ± 113.2 24.0 0.0 434.0 - 62
35-44 years 97 61.9 ± 89.8 0.0 0.0 410.0 1 98
45-54 years 147 88.4 ± 121.0 24.0 0.0 605.0 1 148
55-64 years 84 103.2 ± 148.0 43.5 0.0 708.0 - 84
65-74 years 57 176.8 ± 215.9 131.0 0.0 1,235.0 - 57
75-84 years 31 204.7 ± 279.7 87.0 0.0 1,171.0 - 31
85 years or older 2 39.0 ± 55.2 39.0 0.0 78.0 - 2
Sex vs Lead II: Absolute amplitude of the S-wave
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 95.9 ± 142.9 34.0 0.0 1,235.0 3 735
Female 404 77.4 ± 120.7 0.0 0.0 869.0 2 406
Male 328 118.8 ± 163.5 53.0 0.0 1,235.0 1 329
Race vs Lead II: Absolute amplitude of the S-wave
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 732 95.9 ± 142.9 34.0 0.0 1,235.0 3 735
White 303 104.1 ± 135.4 53.0 0.0 869.0 1 304
Black 407 91.9 ± 150.1 0.0 0.0 1,235.0 2 409
Other 22 59.1 ± 93.5 0.0 0.0 288.0 - 22