5.

β-cell functions of the patients with different diabetes durations (Mean±SD)

Variable	Group A	Group B	Group C	P	Adjusted P
lnHOMA2-IR	0.16±1.12	0.02±1.10	-0.09±1.25	0.045	0.000
lnHOMA2-%β	3.51±0.85	3.38±0.95	3.22±1.12	0.003	0.000
lnDI30	2.07±0.60	2.07±0.56	1.98±0.56	0.123	0.000
lnDI180	2.51±0.62	2.43±0.64	2.32±0.60	0.002	0.000