There are multiple definitions:

1. fatty liver index(English)

   • a validated indicator of hepatic steatosis. Calculated on the basis of triglyceride, BMI, gamma-glutamyltransferase, and WC
   • BMI, WC, CLD
   • Liver disease
   • https://doi.org…pen-2017-019097
   • https://doi.org…598-021-94277-3

2. free leptin index(English)

   • the prototype adipokine, which exerts immunomodulatory actions being implicated in inflammatory responses during sepsis
   • Sepsis, Clinical chemistry
   • https://doi.org…9393.21.15368-4

3. fluorescence lifetime imaging(English)

   • ATC, EGFR, RTK, TC
   • Fluorescence, Medical imaging
   • https://doi.org…bcp.2025.117448