Clinical Metadata Exploration Ontology (CMEO) clinical data category subset is quality measurement of quality clinical measurement record A measurement datum that documents a quantitative or ordinal assessment of a quality of an entity (typically a patient), obtained by applying a measurement procedure and recorded as a result value with an associated unit or scale when applicable. Differs from IAO:0000109 'measurement datum', which covers any recorded output of a measurement; this class restricts it to data about a quality of an entity, typically a patient. measurement datum