Table 5.

Associations between retinal thickness and systemic factors.

ETDRS grid	Systemic Factors	Odds Ratio	95% Confidence Interval	P value
Center	HbA1c	0.547	0.341–0.878	0.012*
	Cre	0.809	0.159–4.127	0.799
	HDLC	1.062	0.890–1.267	0.478
Inner Temporal	HbA1c	0.632	0.407–0.983	0.042*
	Cre	0.410	0.005–0.323	0.002*
	HDLC	1.162	0.974–1.386	0.109
Inner Superior	HbA1c	0.722	0.471–1.106	0.134
	Cre	0.118	0.018–0.778	0.026*
	HDLC	1.174	0.984-1.400	0.083
Inner Nasal	HbA1c	0.771	0.508–1.171	0.222
	Cre	0.417	0.079–2.206	0.303
	HDLC	1.221	1.024–1.457	0.029*
Inner Inferior	HbA1c	0.635	0.406–0.994	0.047*
	Cre	0.027	0.003–0.226	< 0.001**
	HDLC	1.221	1.024–1.457	0.029*

Logistic regression analyses adjusted for age and sex. ETDRS grid, Early Treatment Diabetic Retinopathy Study grid; HbA1c, hemoglobin A1c; Cre, creatinine; HDLC, high-density lipoprotein cholesterol. Odds Ratios for HDLC were shown those per increase in 10 mg/dL. *P < 0.05, **P < 0.01.