Outcome: DR
Risk factor (x) Logistic regression Commonality analysis
OR p Adjusted R2 (%) Unique (%) Common (%) Total (%)
Age 0.95 <0.001   3.2 0.5 3.7
Gender 0.53 0.005   1.5 1.3 2.8
HbA1c 1.34 0.001   2.1 6.4 8.5
Insulin use 2.64 <0.001   2.8 10.3 13.1
Duration of diabetes 1.10 <0.001   7.9 8.7 16.5
Total     26.14 17.5 27.1 44.6
  Outcome: DME            
Risk factor (x) Logistic regression Commonality analysis
OR p Adjusted R2 (%) Unique (%) Common (%) Total (%)
Age 0.95 <0.001   3.86 1.89 5.75
HbA1c 0.66 <0.083   4.04 5.41 9.45
SBP 1.41 <0.001   0.46 -0.1 0.36
Duration of diabetes 1.05 <0.001   3.58 0.34 3.92
Total 0.95 <0.001   11.94 7.54 19.48
Table 5: The results of the multiple logistic regression analysis and the commonality analysis for diabetic retinopathy (DR) and diabetic macular edema (DME).