Source:http://linkedlifedata.com/resource/umls/id/C0393009
NCI: A ranking system used to describe the strength of the results measured in a clinical trial or research study. The design of the study (such as a case report for an individual patient or a randomized double-blinded controlled clinical trial) and the endpoints measured (such as survival or quality of life) affect the strength of the evidence.,NCI: A formal ranking system of the strength of evidence linked to a reported result.