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关注：1
2013-05-23 12:21
求翻译：These analyses were performed with the use of log-rank tests, stratified according to region, ECOG performance status (a score of 0 vs.a score of 1 or 2), and the presence or absence of macroscopic vascular invasion (portal vein or branches) or extrahepatic spread. Two formal interim analyses after approximately 170 an是什么意思？ 待解决
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These analyses were performed with the use of log-rank tests, stratified according to region, ECOG performance status (a score of 0 vs.a score of 1 or 2), and the presence or absence of macroscopic vascular invasion (portal vein or branches) or extrahepatic spread. Two formal interim analyses after approximately 170 an
问题补充： |
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