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

Table 2.

Resulting instrumentation parameters from the optimization simulations for the eleven optimal strategies based on the correction objectives provided by the eleven surgeons (S1-S11)

  S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11
Type of Implants
Screw
Screw
Screw
Screw
Screw
Screw
Screw
Screw
Screw
Screw
Screw
Number of Implants
10
10
13
13
12
12
12
11
8
12
11
Number of fused levels
10
9
11
15
10
12
14
10
8
14
11
Upper instrumented vertebra (UIV)
T4
T4
T3
T2
T4
T3
T2
T4
T5
T3
T4
Lowest instrumented vertebra (LIV)
L2
L1
L2
L4
L2
L3
L3
L2
L1
L4
L3
Shape of the rod
Thoracic curve
30°
20°
20°
20°
20°
20°
30°
20°
20°
30°
30°
  Lumbar curve 30° 45° 30° 45° 30° 30° 30° 45° 45° 45° 45°