The Clinical Measurement Ontology (CMO), Measurement Methods Ontology (MMO), and Experimental Condition Ontology (XCO) are currently being developed at the Rat Genome Database. For more information about these vocabularies please see Shimoyama et al. Three ontologies to define phenotype measurement data. Front Genet. 2012;3:87. Epub 2012 May 28 or contact us (http://rgd.mcw.edu/contact/index.shtml).
Any measurement which expresses either the total number of cases of diabetes mellitus in a population at a given point in time or the rate of occurrence of new cases of diabetes mellitus, that is, the proportion of the population which develop the condition within a period of time.