Figure 2.

The 5-year overall survival for all enrolled patients. The 5-year overall survival was 37.4% (95% CI, 30.5% to 44.3%) for the D1 group and 48.7% (95% CI, 41.6% to 55.8%) for the D3 group (log-rank p = 0.027).

Zhang et al. BMC Cancer 2010 10:308   doi:10.1186/1471-2407-10-308
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