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Acronyms that contain the term odds ratio
What does odds ratio mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: odds ratio.
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Term | Definition | Rating |
---|---|---|
OR | Odds Ratio | |
UOR | Unadjusted Odds Ratio | |
AOR | Adjusted Odds Ratio | |
GOR | Gender Odds Ratio | |
MOR | Mortality Odds Ratio | |
OR(S) | Odds Ratio(S) | |
IOR | Inverse Odds Ratio | |
MAOR | Multivariate-Adjusted Odds Ratio | |
OR(s) | Odds ratio(s) | |
MOR | Matched Odds Ratio | |
MOR | Median Odds Ratio | |
ROR | Reporting Odds Ratio | |
OR | Odds Ratio | |
OR | Odds Ratio |
What does odds ratio mean?
- Odds ratio
- An odds ratio (OR) is a statistic that quantifies the strength of the association between two events, A and B. The odds ratio is defined as the ratio of the odds of A in the presence of B and the odds of A in the absence of B, or equivalently (due to symmetry), the ratio of the odds of B in the presence of A and the odds of B in the absence of A. Two events are independent if and only if the OR equals 1, i.e., the odds of one event are the same in either the presence or absence of the other event. If the OR is greater than 1, then A and B are associated (correlated) in the sense that, compared to the absence of B, the presence of B raises the odds of A, and symmetrically the presence of A raises the odds of B. Conversely, if the OR is less than 1, then A and B are negatively correlated, and the presence of one event reduces the odds of the other event. Note that the odds ratio is symmetric in the two events, and there is no causal direction implied (correlation does not imply causation): an OR greater than 1 does not establish that B causes A, or that A causes B.Two similar statistics that are often used to quantify associations are the relative risk (RR) and the absolute risk reduction (ARR). Often, the parameter of greatest interest is actually the RR, which is the ratio of the probabilities analogous to the odds used in the OR. However, available data frequently do not allow for the computation of the RR or the ARR but do allow for the computation of the OR, as in case-control studies, as explained below. On the other hand, if one of the properties (A or B) is sufficiently rare (in epidemiology this is called the rare disease assumption), then the OR is approximately equal to the corresponding RR. The OR plays an important role in the logistic model.
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"odds ratio." Abbreviations.com. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.abbreviations.com/odds%20ratio>.
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