Figure 1.

Kaplan-Meier analyses of overall survival (OS) for 41 patients according to different prognostic factors (overall comparison was performed by log-rank test). OS (a), OS based on RPA (p < 0.0001) (b), presence of extracranial metastasis (p < 0.0001) (c).

Jiang et al. BMC Cancer 2012 12:49   doi:10.1186/1471-2407-12-49
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