The odds ratio: a useful tool in neurosciences.
The odds ratio is very useful; when used as a measure of association (or to describe the results of a randomised controlled treatment trial) it expresses both the strength and direction of the association (or size and direction of treatment effect). Its 95% confidence interval estimates the likely degree of sampling error and provides a test of significance at the 5% level. Authors, when reporting the results of descriptive studies, case-control studies and randomised controlled trials, should consider presenting their results this way rather than by simple significance testing with a chi squared test.
Sandercock
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Department of Clinical Neurosciences, Western General Hospital, Edinburgh, UK.
D002561:Cerebrovascular Disorders / Q000188:drug therapy; D002986:Clinical Trials as Topic / Q000379:methods*; D015331:Cohort Studies; D006801:Humans; D008137:Longitudinal Studies; D008432:Mathematical Computing; D015233:Models, Statistical; D010975:Platelet Aggregation Inhibitors / Q000008:administration & dosage; D011336:Probability / Q000379:methods*; D011446:Prospective Studies; D011897:Random Allocation; D012107:Research Design; D012306:Risk; D012984:Software
D010975:Platelet Aggregation Inhibitors