. 2014 Mar 10;9(3):e91174. doi: 10.1371/journal.pone.0091174

Table 3. Association of age at diagnosis, fasting C-peptide or postprandial C-peptide with diabetic retinopathy in type 2 diabetic patients by multivariate logistic regression analysis^*.

	Model 1		Model 2		Model 3
	Odds ratio	95% CI	Odds ratio	95% CI	Odds ratio	95% CI
age at diagnosis	0.895	0.880–0.910	0.886	0.870–0.902	0.888	0.870–0.907
postprandial C-peptide	0.847	0.805–0.892	0.889	0.837–0.944	0.920	0.859–0.937
fasting C-peptide	0.867	0.776–0.968	1.040	0.912–1.181	1.019	0.882–1.191

*Model 1: adjusted for gender and age. Model 2: adjusted for gender, age, BMI and HbA1c. Model 3: adjusted for gender, age, BMI, HbA1c, diabetic duration, SBP, ACR, creatinine and insulin treatment.

Table 3. Association of age at diagnosis, fasting C-peptide or postprandial C-peptide with diabetic retinopathy in type 2 diabetic patients by multivariate logistic regression analysis*.

Table 3. Association of age at diagnosis, fasting C-peptide or postprandial C-peptide with diabetic retinopathy in type 2 diabetic patients by multivariate logistic regression analysis^*.