AUC/MIC

The area under the concentration–time curve over 24 hours in steady-state divided by the MIC value for the same drug.

fAUC/MIC refers to the unbound fraction of the drug.

Standardization of pharmacokinetic/pharmacodynamic (PK/PD) terminology for anti-infective drugs: an update (The Journal of Antimicrobial Chemotherapy, 2005)

The Role of PK/PD Analysis in the Development and Evaluation of Antimicrobials (Pharmaceutics, 2021)