Table 1 List of various steady-state insulin resistance indices with formula and references

Serum insulin

–

–

Homeostasis Model Assessment for Insulin Resistance (HOMAIR)

HOMAIR = fasting insulin × fasting plasma glucose/22.5

[16]

HOMA2 index

Online HOMA2 calculator

HOMA2 Calculator downloaded from https://www.dtu.ox.ac.uk/homacalculator/download.php. Retrieved on: 24-March-2019

Glucose insulin ratio (GI ratio)

GI ratio = fasting plasma glucose/serum insulin

[17]

Quantitative Insulin Sensitivity Check Index (QUICKI)

QUICKI = 1/[Log (insulin μU/ml) + Log (glucose mg/dl)]

[8]

Fasting Insulin Resistance Index (FIRI)

FIRI = fasting insulin × fasting plasma glucose/25

[8]