a reliable trendP = 0.092
The patients with better tumor differentiation grades showed a reliable trend (P = 0.092) toward longer survival.
The patients with better tumor differentiation grades showed a reliable trend (P = 0.092) toward longer survival.
However, the preoperative CEA level for OS failed to reach statistical significance, suggesting that a high preoperative CEA level itself lacks the power to discriminate the poor prognostic group in patients with stage II colorectal cancer.