Table 5.
Number of surgeons (and percentage) for the different classes of instrumentation strategies
| Patient number | |||||
|---|---|---|---|---|---|
| 1 (%) | 2 (%) | 3 (%) | 4 (%) | 5 (%) | |
| A- All pedicle screws constructs | 17 (61) | 20 (63) | 20 (63) | 21 (66) | 25 (78) |
| All MoAS | 9 (32) | 12 (38) | 9 (28) | 11 (34) | 13 (41) |
| A2 All MuAS | 3 (11) | 3 (9) | 2 (6) | 3 (9) | 3 (9) |
| A3 MoAS thoracic–MuAS lumbar | 2 (7) | 1 (3) | 3 (9) | 4 (13) | 4 (13) |
| A4 MuAS on UFL and LFL only | 2 (7) | 2 (6) | 2 (6) | 2 (6) | 3 (9) |
| A5 Miscellaneous | 1 (4) | 2 (6) | 4 (13) | 1 (3) | 2 (6) |
| B- All hooks constructs | 1 (4) | 2 (6) | 0 (0) | 2 (6) | 0 (0) |
| C- Hybrid constructs | 10 (36) | 10 (31) | 12 (38) | 9 (28) | 7 (22) |
| C1 Hooks thoracic–MoAS lumbar | 5 (18) | 4 (13) | 4 (13) | 2 (6) | 3 (9) |
| C2 Hook on UFL only | 3 (11) | 3 (9) | 4 (13) | 3 (9) | 0 (0) |
| C3 Hooks thoracic–MuAS lumbar | 1 (4) | 0 (0) | 1 (3) | 3 (9) | 2 (6) |
| C4 Miscellaneous | 1 (4) | 3 (9) | 3 (9) | 1 (3) | 2 (6) |
MoAS mono-axial screws, MuAS multi-axial screws, UFL upper fusion levels, LFL lowest fusion levels, AV apical vertebra