Table 2.
Multivariate analysis of the prognostic factors affecting local relapse-free survival
| Factor | LRFS |
||
|---|---|---|---|
| B | HR (95% CI) | P Value | |
| Age ≥60 y | .184 | ||
| Sex | .850 | ||
| Location, C3–L5 | −1.426 | 0.240 (0.085–0.677) | .007* |
| Location, S1–5 | .098 | ||
| Preoperative Frankel scores | −0.993 | 0.370 (0.191–0.719) | .003* |
| Enneking stages | .880 | ||
| Tomita classification | .066 | ||
| Pathology grades, chondroid | .122 | ||
| Pathology grades, dedifferentiated | 1.161 | 3.194 (1.522–6.700) | .002* |
| Total piecemeal spondylectomy | −1.291 | 0.275 (0.134–0.566) | <.001* |
| Total en bloc spondylectomy | −3.187 | 0.041(0.013–0.129) | <.001* |
| Intraoperative blood loss | .223 | ||
| Adjuvant radiotherapy | .791 | ||
Abbreviations: B, coefficient value; CI, confidence interval; HR, hazard ratio; y, years.
*P value < .05 for multivariate analysis.