但它没有提高乳腺癌患者的总生存率。

But it doesn't improve breast cancer patients' overall survival rate.

youdao

尽管对已知的危险因素和随访措施改进不少，但胃癌患者的总生存率仍然很差。

The overall survival of gastric carcinoma patients remains poor despite improved control over known risk factors and surveillance.

youdao

观察等待的患者在确诊后的前50个月内与相对照的背景人群有相似的总生存率（P<0.7），但是在50个月后死亡风险升高（P<0.001）。

The WAW patients and a matched backgroundpopulation had similar OS during the first 50 months after diagnosis(P = 0·7), but WAW patients had increased risk of death after 50 months (P < 0·001).

youdao