Making Sense of Statistics for Family Practitioners: “What is Odds Ratio?”
نویسندگان
چکیده
منابع مشابه
Making sense of odds and odds ratios.
Odds and odds ratios are hard for many clinicians to understand. Odds are the probability of an event occurring divided by the probability of the event not occurring. An odds ratio is the odds of the event in one group, for example, those exposed to a drug, divided by the odds in another group not exposed. Odds ratios always exaggerate the true relative risk to some degree. When the probability...
متن کاملStatistics notes. The odds ratio.
In recent years odds ratios have become widely used in medical reports—almost certainly some will appear in today’s BMJ. There are three reasons for this. Firstly, they provide an estimate (with confidence interval) for the relationship between two binary (“yes or no”) variables. Secondly, they enable us to examine the effects of other variables on that relationship, using logistic regression. ...
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When we read the results of healthcare research, we often read about relationships or associations between different treatments and their outcomes for patients. Health outcomes can be improved with the use of different types of medications, engagement in health education programmes and changes in lifestyle factors such as targeted improvements in nutrition or reduction in smoking. Depending on ...
متن کاملMaking sense of health statistics.
a Hardnig Center for Risk Literacy, Max Planck Institute for Human Development, Lentzeallee 94, 14195 Berlin, Germany. Correspondence to Gerd Gigerenzer (e-mail: [email protected]). Many physicians, patients, health journalists and politicians do not understand health statistics. Yet we make little effort to educate our children in statistical thinking or our medical students in und...
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The search for similarity between two biological sequences lies at the core of many applications in bioinformatics. This paper aims to highlight a few of the principles that should be kept in mind when evaluating the statistical significance of alignments between sequences. The extreme value distribution is first introduced, which in most cases describes the distribution of alignment scores bet...
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ژورنال
عنوان ژورنال: South African Family Practice
سال: 2004
ISSN: 2078-6190,2078-6204
DOI: 10.1080/20786204.2004.10873051