Table 3.
Classification of thoracic pedicle screw complications and comparison
| Types | Current study | Percentage of complications reported by (no. of patients) | |||
|---|---|---|---|---|---|
| Definition | No. of patients (n = 208) | Percentage of complications | Study of Suk et al. (n = 462) | Study of Di Silvestre et al. (n = 115) | |
| Category I | Infection | 8 | 3.8 | 1.9 | 1.7 |
| Effusion | 3 | 1.4 | 0.2 | 0.8 | |
| Category II | Screw malposition | 15 | 7.2 | 10.4 | 5.7 |
| Dural tear | 3 | 1.4 | 0.6 | 12.1 | |
| Pedicle fracture | 2 | 0.9 | 0.2 | 13.0 | |
| Transient paraparesis | 1 | 0.4 | 0.2 | 0.0 | |
| Screw loosening | 3 | 1.4 | 0.8 | 0.8 | |
| Overall | 35 | 16.5 | 14.3 | 34.1 | |