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Relation screw diameter to pedicle diameter.
| Pedicle diameter [mm] | Screw diameter [mm] | Ratio % | ||
|---|---|---|---|---|
| Mean | Stand.-dev. | |||
| Th1 | 6,9 | 0,2 | 5 | 72,5 |
| Th2 | 5,5 | 0,7 | 5 | 90,1 |
| Th3 | 4,8 | 0,1 | 4,5 | 94,8 |
| Th4 | 5 | 0,2 | 4,5 | 90 |
| Th5 | 5,3 | 0,7 | 4,5 | 84,9 |
| Th6 | 5,9 | 0,5 | 5 | 85,8 |
| Th7 | 5,8 | 0,3 | 5 | 56,2 |
| Th8 | 5,7 | 0,1 | 5 | 87,7 |
| Th9 | 6,2 | 0,3 | 5 | 80,6 |
| Th10 | 6,4 | 1 | 5 | 78,1 |
| Th11 | 6,3 | 0,4 | 5 | 89,4 |
| Th12 | 7,4 | 0,6 | 6 | 81,1 |
