disease severity measurement arthritis severity measurement 2013-01-17T16:05:31Z Any measurement of the degree to which the presentation of the arthritis disease state, i.e. the inflammation of one or more joints, the sites of junction or union between bones, especially those that allow motion of the bones, causes pain or damage. CMO:0001458 EFO:0009435 JSmith arthritis disease activity score measurement clinical_measurement_ontology