Table 2.
Univariate and multivariate analysis of Spine Metastasis Free Survival (SMFS).
| Factors | N | Univariate analysis |
Multivariate analysis |
|||
|---|---|---|---|---|---|---|
| Median survival (months) | p | B | HR(95% CI) | p | ||
| Age of primary tumor (≤47/>47, years) | 36/42 | 60/37 | 0.092* | NS | ||
| Postmenopausal (no/yes) | 45/31 | 60/37 | 0.073* | NS | ||
| Primary tumor grade (low/high) | 27/51 | 72/37 | 0.001* | NS | ||
| Lymph node (negative/positive) | 24/54 | 72/37 | <0.001* | 2.351 | 10.498(1.074,102.588) | 0.043* |
| Visceral metastasis (no/yes) | 65/13 | 43/58 | 0.962 | NI | ||
| Pre-op chemotherapy (no/yes) | 21/57 | 47/44 | 0.871 | NI | ||
| Pre-op radiotherapy (no/yes) | 47/31 | 49/42 | 0.458 | NI | ||
| Pre-op endocrine/targeted therapy (no/yes) | 57/21(18/3) | 42/60 | 0.124 | NI | ||
| ER status (negative/positive) | 28/28 | 25/61 | <0.001* | −0.998 | 0.368(0.189,0.721 | 0.004* |
| PR status (negative/positive) | 38/18 | 44/49 | 0.748 | NI | ||
| Her2 status (negative/positive) | 23/25 | 51/41 | 0.971 | NI | ||