Abstract: Objective To investigate the factors that affect the survival of patient with spinal metastases.Methods The clinical,imaging and pathologic data of 56 patients with pathologically confirmed spinal metastases were analyzed retrospectively with Cox regression.Results The type of primary tumor(P=0.001) and age(P=0.034) significantly affect the survival.Conclusion The type of primary tumor is of most significant factor affecting survival.

Key words: spine, metastasis, prognose, survival