Odds ratio(OR)从字面上可看出,是两个odds的ratio,其用于: 在病例对照研究(case-control study)中,分析暴露风险因素与疾病(或者用药)的关联程度;主要是反映暴露与疾病之间关联强度的指标,OR常适用于病例对照研究,也可以运用于前瞻性的研究(当观察时间相等时) 与其相似的有个指标relative risk(RR),其可以理解为ris...
a很好的掌握了专业知识 正在翻译,请等待...[translate] aIs you insufficiently rigid, I give you insufficiently profoundly Your name,my heart 是您不足地刚性,我不足地给您深刻地 您的名字,我的心脏[translate] a滤过 正在翻译,请等待...[translate] aodds ratio 可能性比率[translate]...
followed byonoragainst:the probability, expressed as a ratio, that a certain event will take place:the odds against the outsider are a hundred to one the amount, expressed as a ratio, by which the wager of one better is greater than that of another:he was offering odds of five to one...
The estimated odds ratio is zero if n11 or n22 are zero, and it is undefined if n12 or n21 are zero. To avoid this problem, some statisticians base the calculation of the estimated odds ratio on nij + 0.5 instead of the nij. We have to realize that there is sampling variation ...
be difficult to propose a value for p 2 . In these cases, it might be easier to propose a value for the odds ratio (OR). The odds of obtaining the response of interest in group 1 are ( ) p p 1 1 1 / − and the odds of obtaining the response in ...
Widely used by professional gamblers, the odds of an event is the ratio of the expected number of times that an event will occur to the expected number of times it will not occur. An odds of 4 means we expect 4 times as many ... ...
Is my way of calculating the odds ratio correct for the 4x2 contingency table with a confounder? If indeed there is no agreement between the two ways of calculating the odds ratio when there is a confounder, what justifications do we have for using logistic regression to "adjust" ...
It is odds, it is probable. [Obs.] Meaning of It is odds from wikipedia - which is called "5 for 2". When Moneyline odds are quoted as a positive number +X, it means that a wager pays X to 100. When Moneyline odds are quoted...- An odds ratio (OR) is a statistic that ...
The odds ratio (OR) has been recommended elsewhere to measure the relative treatment efficacy in a randomized clinical trial (RCT), because it possesses a few desirable statistical properties. In practice, it is not uncommon to come across an RCT in which there are patients who do not comply...
Why are the reported odds ratios not equal to exp(beta)? How can I get odds ratio estimates and confidence intervals using PROC LOGISTIC? Modeling the nonevent level of the response An odds ratio is the change in the odds of the event of interest. A binary response variable has an event...