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[Surrogate outcomes, intermediary outcomes and their application in TCM clinical efficacy evaluation]
Xin-Feng Guo1, Quan Zhu, Shi-Long Lai
1Guangzhou University of TCM, Guangzhou. drguoxf@sohu.com
Abstract:
In this paper, the concepts of surrogate outcomes and intermediary outcomes, their correlation with the primary outcome, how to select surrogate outcomes and intermediary outcomes and the particular requirements for using surrogate outcomes in assessing TCM clinical efficacy were discussed and described. It is difficult to evaluate clinical efficacy objectively and thoroughly by means of a single surrogate outcome for reason of the global characteristics of TCM, therefore, to rationally select such intermediary outcomes as important clinical symptoms, combination of several syndromes, patients' subject feeling, patients' satisfaction for treatment and quality of life, should be beneficial for objectively evaluating the efficacy of TCM intervention approaches.
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