Microbial EC50 Fold Change from Reference

**Semantic type:** Laboratory or Test Result

**Definition:** A fold change based on the concentration of a specific drug expected to produce 50 percent inhibition of the population growth or replication of a microbial organism; it is a ratio calculated by the EC50 Subject Result divided by the EC50 Reference Control Result.

**Synonyms:** - MEC50FCR - Microbial EC50 Fold Change from Ref - Microbial EC50 Fold Change from Ref