Table 4.

Logistic regression analysis of glycemic control in patients with type 2 diabetes.

	Adjusted odds ratio	95% CI	p-Value
Age	1.003	0.980–1.021	0.78
Sex
Male	0.844	0.440–1.618	0.61
Female	(reference)
BMI	1.045	0.982–1.111	0.16
Serum Zn/Cu ratio
<0.5461	(reference)
0.5462–0.6721	0.638	0.298–1.364	0.25
0.6722–0.8	0.604	0.281–1.295	0.19
>0.8	0.382	0.165–0.884	0.025

The odds ratio of good glycemic control (HbA1c < 7.0%) to poor glycemic control (HbA1c ≧ 7.0%) was calculated.

HbA1c, hemoglobin A1c; CI, confidence interval; BMI, body mass index.