Table 3.

Multivariate Linear Regression Analysis on the Level of TAC

Variable	Beta Coefficient	95% CI	P-value
Age	0.02	-0.001, 0.001	0.680
HbA1c	0.079	-0.003, 0.015	0.204
Duration of diabetes	-0.82	-0.026, -0.019	<0.001
Vit D	-0.06	-0.003, 0.001	0.267