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. 2012 Nov 26;7:21. doi: 10.1186/1748-7161-7-21

Table 1.

Weights assigned by the eleven surgeons (S1-S11) to the terms of the objective function of correction

 
 
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
Global weights (%) Symbol  
Correction in the Coronal plane
W1
30
50
30
45
30
20
60
30
25
50
30
Correction in the Sagittal plane
W2
30
20
30
45
30
50
30
30
10
20
10
Correction in the Transverse plane
W3
20
10
20
10
20
20
10
20
25
20
40
Mobility (Nb of unfused/saved vertebrae)
W4
20
20
20
0
20
10
0
20
40
10
20
Specific weights assigned to the Coronal Plane (%)
 
 
Proximal thoracic Cobb (PT)
a1
10
15
5
5
5
20
30
5
5
5
25
Main Thoracic Cobb (MT)
a2
50
40
35
30
45
20
30
60
45
45
25
Thoraco-lumbar/Lumbar Cobb (TL/L)
a3
0
15
35
35
20
20
30
5
25
5
25
Apical Vertebra Translation
a4
40
30
25
30
30
40
10
30
25
45
25
Specific weights assigned to the Sagittal plane (%)
 
 
Thoracic Kyphosis
b1
60
50
50
50
50
80
50
40
50
100
30
Lumbar Lordosis
b2
40
50
50
50
50
20
50
60
50
0
70
Specific weights assigned to the transverse plane (%)
 
 
Apical Vertebral Rotation (PT)
c1
10
10
5
5
5
20
17
0
10
5
10
Apical Vertebral Rotation (MT)
c2
30
30
25
25
40
40
17
30
30
40
35
Apical Vertebral Rotation (TL/L)
c3
5
10
25
25
40
10
16
10
10
5
15
Orientation – plane of max. curvature (PT)
c4
25
10
15
15
5
10
17
0
10
5
10
Orientation – plane of max. curvature (MT)
c5
25
30
15
15
5
10
17
30
30
40
15
Orientation – plane of max. curvature (TL/L) c6 5 10 15 15 5 10 16 30 10 5 15