Table 3.
Results of multivariate analysis of the prognostic factors for overall survival from the date of postoperative brain recurrence
| Factor | Odds ratio (95% CI) | P-value |
|---|---|---|
| CEA level at the time of rec | ||
| <5 ng/mL/>5 ng/mL | 0.966 (0.376–2.292) | 0.940 |
| Extracranial metastasis | ||
| Yes/No | 1.605 (0.786–3.590) | 0.181 |
| Symptom from brain metastasis | ||
| Yes/No | 2.061 (0.719–5.909) | 0.178 |
| Tumor size of brain metastasis | ||
| <2 cm/>2 cm | 2.509 (1.023–6.151) | 0.041 |
| Radical treatment (Craniotomy or SRS) | ||
| Yes/No | 3.619 (1.514–8.652) | <0.01 |
CEA, carcinoembryonic antigen; CI, confidence interval; SRS, stereotactic radiosurgery.