删失 底层行 而底层行,几乎在每张KM曲线都能见到。他的含义是在这个时间节点,未删失未发生终点事件的人群,因为受试者尚且有发生事件的risk,因此被记录为 at risk的人数。 生存曲线制图含义 一 二 三 四 五 六 七 其他主要/次要终点指标含义 画说统计 | 生存分析之Kaplan-Meier曲线都告诉我们什么 ...
【解题思路】根据画线词后的"motorists must not wait orpark or stop to set down and pick up passengers on the yellowzigzags"及最后一段中的"dangerous for children withthousands injured or having a near-miss accident"" place moreschoolchildren at risk"可知,在标志着学校入口的黄色之字形禁停区...
【知识点】atheat risk定冠词解读零冠词解读 抱歉! 您未登录, 不能查看答案和解析点击登录 atheat risk定冠词 单项选择|适中 (0.65) 名校 【推荐1】In my hometown there used to be ___ heavy rain now and then, and the river around ___ town rose a lot after the rain. A.a, aB./, ...
Conclusion Infertility in Hefei has a certain correlation with MTHFR C677T gene polymorphism,and T allele can be a risk factor for infertility. [KEY WORDS] Infertility;Methylenetet rahydrofolate reductase(MTHFR);Folic acid; Single nucleotide polymorphisms · 365 · 叶酸是水溶性的 B 族维生素,参与...
1. Hunger is ___ number one global health risk, so the WFP has organized a lot of programmes, which helps people most at ___risk. A . the; / B . a; / C . the;the D . a;a 【知识点】 定冠词 知识点解读 零冠词 知识点解读 冠词 知识点解读 抱歉,您未登录!暂时无法查看答案...