Table 2. The accuracy grade of pedicle-screw placement.
| Grade of pedicle screw placement | Screw |
|---|---|
| A | 66 (80.5) |
| B | 13 (15.9) |
| C | 2 (2.4) |
| D | 0 (0) |
| E | 1 (1.2) |
| Total | 82 (100) |
Data are presented as number (%).
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