Table 8.
The prognostic effects of identified factors (HR, 95% CI)
| Variable | Lei M | Chen Q | Park SJ | Tang Y | Truong VT | Chen YJ | Jung JM |
|---|---|---|---|---|---|---|---|
| Preoperative ambulatory status | 1.93, 1.12–3.34 | 2.437, 1.081–6.839 | – | – | – | – | 2.36, 1.32–4.22 |
| Targeted therapy | 2.13, 1.19–3.82 | 0.264, 0.256–0.291 | – | 2.31, 1.20–4.44 | – | – | |
| Number of involved vertebrae | – | – | – | – | – | – | 2.22, 1.85–4.23 |
| Visceral metastases | 2.33, 1.31–4.14 | 0.932, 0.271–2.541 | – | – | – | – | – |
| Chemotherapy | – | 0.48, 0.265–0.734 | 6.58, 2.44–17.75 | – | 0.26, 0.15–0.47 | – | – |
| Radiotherapy | – | – | – | 2.70, 1.69–4.32 | 0.56, 0.33–0.95 | – | – |
| Postoperative ambulatory status | – | – | – | 3.89, 2.14–7.06 | 0.10, 0.02–0.43 | 0.10, 0.02–0.51 | – |
The hazard ratio (HR) and 95% confidence interval (95% CI) were reported by 7 primary studies
HR hazard ratio, 95% CI confidence interval