Open Access
Table 6
Screw distribution (N = 100 patients, 508 screws).
| Frequency | Percentage | |
|---|---|---|
| Side of screw fixation | ||
| Right | 255 | 50.2 |
| Left | 253 | 49.8 |
| Level of screw fixation | ||
| D7 | 2 | 0.4 |
| D8 | 1 | 0.2 |
| D9 | 3 | 0.6 |
| D10 | 6 | 1.2 |
| D11 | 14 | 2.8 |
| D12 | 16 | 3.1 |
| L1 | 12 | 2.4 |
| L2 | 32 | 6.3 |
| L3 | 54 | 10.6 |
| L4 | 117 | 23 |
| L5 | 161 | 31.7 |
| S1 | 90 | 17.7 |
D: dorsal spine; L: lumber spine; S: sacral spine.
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