归因危险度或率差 (1)定义:归因危险度(attributable risk,AR)或率差(rate difference)是指暴露组发病率与非暴露组发病率之差,它反映发病归因于暴露因素的程度。
基于190个网页-相关网页
attributable risk,AR 归因危险度 也称特异危险度或率差(rate difference,RD),是暴露组的发病(死亡)率与非暴露组的发病(死亡)率之差,它表明暴露组与对照组发病危险相差的绝对值。
基于8个网页-相关网页
第三章 队列研究 信区间 (公式详见教材) 。 2、归因危险度(attrib utable risk,AR) 归因危险度又叫特异危险度或率差(rate difference, RD)。AR是暴露组发病率(或死亡率)与非暴露组发病率(死 亡率)的差值。 RR 和 AR 都是反映暴露
基于8个网页-相关网页
counting-rate-difference feedback 速度差反馈
Tax Rate Difference 税率差异
counting-rate-difference meter 计数率差分计
interest rate difference rent 利差租金
tax rate difference technique 税率差异技术
circuit counting-rate-difference measuring 计数率差测量电路
flow rate difference 流速不均衡
The 2:1 rate difference is for simplicity — every application will vary and the rates usually change over time.
为了简单起见,我们使用2:1的速率比值——每个应用程序的情况不同,而且速率通常会随时间而发生变化。
By comparison, we find out the concrete influence of the rate difference on investors. The influence can not be ignored.
通过比较,可看出利率差异对投资者行为的具体影响,该影响是不可忽视的。
The negative oil film resistance is also found in the running-in, which results from the wear rate difference of the pair.
磨合试验中还发现了因齿面副两表面磨损率差形成的负电阻现象。
For example,for men in Swaziland, the difference between the best rate and the worst rate is nine times higher.
VOA: special.2010.05.05
I can give you the form and ask you to rate how attractive you think I am and I can give you the same instruction with a crucial difference "Please wait here.
我给你们这张表格,对我的魅力指数打分,同样的指示,但有一点重要的差别,我对你们说“请在这儿稍等片刻。
Then later on,whenever you want, you can take your money out Meanwhile, they invest the deposits some way or another at a higher interest rate than they pay on the deposits and they make the difference and that's how they make a profit.
然后你什么时候需要你就可以把钱取出来,同时储蓄机构以比给你的利息,更高的利息储蓄,或者投资,这就出现了差价,这就是储蓄机构盈利的方法。
应用推荐