Assessment of Insulin Resistance in Subjects with Normal Glucose Tolerance, Hyperinsulinemia with Normal Blood Glucose Tolerance, Impaired Glucose Tolerance, and Newly Diagnosed Type 2 Diabetes (Prediabetes Insulin Resistance Research)

Table 2

Indices of insulin sensitivity and cell function derived from OGTT measurements of glucose and insulin.

Index	Formula	Reference
HOMA-IR	[FPG (mmol/L) FINS (mU/L)]/22.5	[10, 11]
Insulin/glucose ratio	FINS (mU/L)/FPG (mmol/L)	[12, 13]
QUICKI	1/[LogFINS (mU/L) + LogFPG (mg/dL)]	[14]
Matsuda index	10000/[FPG (mg/dL) × FINS (mU/L) × (mean glucose × mean insulin)]	[15]
Gutt index	{75000 + [GLU0 (mg/dL) − GLU120] × 0.19 × body weight (kg)}/{120 × log [mean insulin (mU/L)] × mean glucose}	[16]
HOMA-	20 × FINS (mU/L)/[FPG (mmol/L) − 3.5]%	[10, 11]
Disposition index	HOMA-/HOMA-IR	[17]
Insulinogenic index	[INS120 (mU/L) − INS0]/[GLU120 (mmol/L) − GLU0]	[18]