Table 20 Surface parameters recommended for systematic use (% of indications)
Parameter | N | High Prior | Rec | Acc | Not Rec | % of Agreement |
|---|---|---|---|---|---|---|
General | ||||||
Spine length (curve line) | 9 | 88.9 | 11.1 | 0.0 | 0.0 | 100.0 |
Spine height: C7-S1 distance | 9 | 55.6 | 11.1 | 11.1 | 22.2 | 66.7 |
Measures of main curve only | 8 | 37.5 | 0.0 | 12.5 | 50.0 | 37.5 |
Measures of main and secondary curves | 8 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
Body axis definition | ||||||
Analogous to radiological VCSL | 7 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
C7-S1 line | 7 | 85.7 | 0.0 | 14.3 | 0.0 | 85.7 |
Frontal plane analysis | ||||||
C7 shift | 8 | 62.5 | 0.0 | 12.5 | 25.0 | 62.5 |
Curve angle | 8 | 75.0 | 0.0 | 0.0 | 25.0 | 75.0 |
Apex distance from body axis | 7 | 71.4 | 0.0 | 0.0 | 28.6 | 71.4 |
Frontal plane body asymmetry | ||||||
Shoulders | 9 | 66.7 | 0.0 | 0.0 | 33.3 | 66.7 |
Scapulae | 9 | 66.7 | 0.0 | 0.0 | 33.3 | 66.7 |
Waist | 8 | 50.0 | 0.0 | 12.5 | 37.5 | 50.0 |
Special indices | ||||||
7 | 28.6 | 0.0 | 0.0 | 71.4 | 28.6 | |
Weiss index | 7 | 14.3 | 14.3 | 14.3 | 57.1 | 28.6 |
Sagittal plane analysis | ||||||
Relation of C7 to S1 | 8 | 87.5 | 12.5 | 0.0 | 0.0 | 100.0 |
Cervical lordosis | 9 | 77.8 | 22.2 | 0.0 | 0.0 | 100.0 |
Thoracic kyphosis | 9 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
Lumbar lordosis | 9 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
Segmental analysis | 6 | 50.0 | 0.0 | 50.0 | 0.0 | 50.0 |
Limits of kyphosis and lordosis indicated | ||||||
Automatically by software | 7 | 85.7 | 14.3 | 0.0 | 0.0 | 100.0 |
Manually by examinator | 6 | 33.3 | 33.3 | 0.0 | 33.3 | 66.6 |
Transverse plane analysis | ||||||
Trunk rotation main curve | 8 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
Trunk rotation compensatory curves | 8 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
7 | 42.9 | 42.9 | 14.3 | 0.0 | 85.8 | |
DAPI index [51] | 5 | 0.0 | 0.0 | 80.0 | 20.0 | 0.0 |
Levels to measure surface rotation indicated | ||||||
Automatically by software | 6 | 83.3 | 0.0 | 16.7 | 0.0 | 83.3 |
Manually by examinator | 6 | 50.0 | 16.7 | 0.0 | 33.3 | 66.7 |
Pelvis | ||||||
PSIS height | 7 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0 |
PSIS depth (distance from the camera) | 7 | 71.4 | 0.0 | 0.0 | 28.6 | 71.4 |
Manual correction of patient position to achieve pelvis level at PSIS | 7 | 42.9 | 14.3 | 14.3 | 28.6 | 57.2 |