Improved insulin sensitivity and lower postprandial triglyceride concentrations after cold-pressed turnip rapeseed oil compared to cream in patients with metabolic syndrome

Table 1 The insulin sensitivity indices

Index	Formula	References
OGIS	Complex formula requiring G₀, G₁₂₀, G₁₈₀, I₀, I₁₂₀ and I₁₈₀ (3 h OGTT) or G0, G₉₀, G₁₂₀, I₀, I₉₀ and I₁₂₀ (2 h OGTT). The formula includes six constants	[21]
McAuley	exp[2.63 − 0.28ln(I₀) − 0.31ln(TG₀)]	[22]
Stumvoll	0.222 − 0.00333 × BMI − 0.0000779 × I₁₂₀ − 0.000422 × age	[23]
Gutt	m/[G_m × log₁₀(I_m)], in which m = [75 000 mg + (G₀ − G₁₂₀) × 0.19 × body weight]/120 min	[24]

Subscript numbers refer to minutes of OGTT and subscript letter m to mean fasting and 2-h concentrations. Units are mmol/L for glucose except mg/dL for Gutt, mmol/L for TG, mU/L for insulin except pmol/L for Stumvoll and kg for body weight
G glucose, I insulin, TG triglyceride

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