Table 1.
Data collection
| Variables | Baseline | Perioperative | 3 months | 6 months | 12 months |
|---|---|---|---|---|---|
| Demographic Variable | |||||
| Age | X | ||||
| Gender | X | ||||
| BMI | X | ||||
| Ethnicity | X | ||||
| Center of residence | X | ||||
| Risk Factors | |||||
| Comorbidity | X | ||||
| Smoking status | X | ||||
| Previous spinal surgery | X | ||||
| Pathology types | X | ||||
| Affected level | X | ||||
| Symptoms duration | X | ||||
| Degeneration grade | X | ||||
| Stenosis grade | X | ||||
| Treatment Factors | |||||
| Operation approach | X | ||||
| Operative time | X | ||||
| Bleed loss | X | ||||
| Postoperative hospital stay | X | ||||
| Surgeon | X | ||||
| Radiological Assessment | |||||
| X-ray | X | X | X | ||
| CT | X | X | X | ||
| MRI | X | X | X | ||
| Clinical Assessment | |||||
| VAS (back & leg) | X | X | X | X | X |
| ODI | X | X | X | X | |
| JOA | X | X | X | X | |
| MacNab criteria | X | X | X | ||
| Patient satisfaction | X | X | X | X | |
| Complications | X | X | X | X | |