?:definition
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Specific key measurement(s) or observation(s) used to measure the effect of experimental variables on the subjects in a study, or for observational studies, to describe patterns of diseases or traits or associations with exposures, risk factors or treatment. The specific measure that receives the most emphasis in assessment that would most specifically answer the hypothesis proposed by the study design. EXAMPLE(S): Time to Local Recurrence (TLR), Disease-free Survival (DFS), Survival. OTHER NAME(S): NOTE(S):
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