Name
left_abi
Label
Left Ankle Branchial Index (occ. failure incl.)
Description

Ankle Brachial Index (ABI) is the average ankle to arm systolic pressures as measured from the left and right sides. The higher of the two ankle measures on the same side is divided by the higher of the two systolic arm pressures to derive the right and left side ABI values.

Type
numeric
Visit Number vs Left Ankle Branchial Index (occ. failure incl.)
N Mean StdDev Median Min Max Unknown Total
Baseline 8,390 1.1 ± 0.2 1.1 0.0 2.8 8,025 16,415
Sueño Ancillary - - - - - - - -
Gender vs Left Ankle Branchial Index (occ. failure incl.)
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 8,390 1.1 ± 0.2 1.1 0.0 2.8 5,765 14,155
Female 5,132 1.1 ± 0.1 1.1 0.0 2.8 3,226 8,358
Male 3,258 1.1 ± 0.2 1.1 0.0 2.8 2,539 5,797