Loe

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

level of evidence

Definition
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The quality of clinical studies of phytotherapeutics (see below phytotherapy) is usually classified according to a "level of evidence" LOE from A-D:
  • A = highest level with randomized, clinically controlled studies and cohort studies
  • B = conclusive, retrospective or investigative cohort studies, case-control studies, and follow-up studies from A
  • C = Case descriptions or follow-up studies from B
  • D = Expert opinion without scientific background; pure laboratory research.

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Phytotherapy;

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Last updated on: 29.10.2020