From: Selection of the appropriate method for the assessment of insulin resistance
Index | Formula | Reference |
---|---|---|
GTT derived indices: | ||
ISI-gly | 2/[(INSp × GLYp)] + 1 | [74] |
ISI (composite) | 1000/√{[fasting glucose (mg/dL) × fasting insulin (μU/mL)] × [mean glucose × mean insulin]} | [21] |
Fasting sample indices: | ||
HOMA-IR | Fasting glucose (mmol/L) ×fasting insulin (mU/L)/22.5 | [36] |
HOMA2-S | HOMA2 calculator version 2.2 | [37] |
FGIR | Fasting glucose (mg/dL)/Fasting insulin (mU/L) | [58] |
Raynaud | 40/Fasting insulin (mU/L) | [33] |
Reciprocal insulin | 1/fasting insulin (mU/L) | [34] |
QUICKI | 1/[log fasting insulin (mU/L) + log fasting glucose (mg/dL)] | [46] |
FGIR | Fasting glucose (mg/dL)/Fasting insulin (mU/L) | [58] |