Clinical Study

Association of CFH and CFB Gene Polymorphisms with Retinopathy in Type 2 Diabetic Patients

Table 1

Demographic and clinical characteristics of the study subjects.

CharacteristicDR ( = 277)DM ( = 275) value

Age (years)55.5 ± 14.056.3 ± 7.60.44
Gender (F/M)144/133153/1220.39
Duration of diabetes (years)13.6 ± 7.118.1 ± 6.7<0.001
Duration of DR (years)5.0 ± 4.2none
Gaps between diabetes and DR onset (years)8.3 ± 6.7none
HbA1C (%)8.2 ± 1.77.9 ± 1.90.09
BMI (kg/m2)23.7 ± 4.624.1 ± 4.40.46
Hypertension (%)71.866.90.21
Hyperlipidemia (%)32.123.3<0.01
Smoking (%)13.416.00.38
Insulin therapy (%)45.126.2<0.001
Family history of diabetes (%)25.621.50.25

All values were compared by or student -test, < 0.05 as statistically significant.
DR: diabetic retinopathy; DM: diabetes mellitus; HbA1c: glycosylated hemoglobin; BMI: body mass index.