What is the accuracy of the software?

The software’s accuracy of the measured and calculated parameters, and the segmentations
was proved during the clinical investigation to be:

Measurements
Accuracy [%]
Intervertebral angles, °90.00%
L1S1 lordotic angle, °86.00%
Spondylolisthesis
slippage, %
90.00%
Vertebral height, mm78.00%
Disk height, mm82.00%
Herniation size, mm78.00%
Dural sac area, mm²81.00%
Aorta diameter, mm93.00%
Bulging size, mm80.00%
Canal diameter, mm80.00%

Segmentations
Accuracy [%]
Vertebra (on axial slice)82.00%
Disk – not herniated (on axial slice)87.00%
Herniated part of the disk, without
sequestration (on axial slice)
85.00%
Dural sac (on axial slice)84.00%
Ligamentum flavum (on axial slice)80.00%
Nerve roots (on axial slice)78.00%
Aorta or iliac artery (on axial slice)88.00%
Vertebra (on sagittal slice, only
around mid-sagittal, 35 mm)
81.00%
Disk – not herniated (on sagittal
slice, only around mid-sagittal, 35
mm)
91.00%
Appropriately chosen planes*70.00%
Sacrum (on sagittal slice)87.00%