Table 5.

Linear regression for Triglyceride Glucose Index (exposure) on glycation gap* (outcome).

Population (n)	Beta	Standard error	y-intercept	p-value
Pre-T2D (1096)	-0.087	0.009	1.77	<0.0001
Healthy (6504)	0.023	0.007	0.14	<0.0001
HbA1c < 5% (681)	0.071	0.01	0.41	<0.0001
HbA1c 5 – 5.4% (2948)	0.047	0.005	0.6	<0.0001
HbA1c 5.5 – 5.9% (2875)	0.054	0.006	1.06	<0.0001

*Calculated as actual HbA1c – predicted HbA1c using model adjusted for age, sex (21).