Kaplan-Meier estimates revealed that the survival rate was correlated with UICC staging, lymph node metastasis and the expression of nm23 and CD44v6 and MVD.

• 单因素生存分析显示，UICC分期、淋巴结转移、nm23和CD44v6的表达以及MVD都与直肠癌的预后有关。