EORTC Study 22844文献,共统计了LGGs接受

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问题: EORTC Study 22844文献,共统计了LGGs接受术后放疗的379例胶质瘤患者,其中剂量分别为45Gy/5周,或59.4Gy/6.6周,那么生存率无明显区别:低剂量组为( ),高剂量组为( )

A: 78%,79%

B:68%,69%

C:58%,59%

D:48%,49%

E:38%,39%