Table 3

Logistic regression of DR and STDR risk factors (both in eight-factor analysis and all-factor analysis)

VariableOR95% CIpOR95% CIpOR95% CIpOR95% CIp
DR risk factors analysisSTDR risk factors analysis
Eight-factor analysis (n=9367)All-factor analysis (n=4623)Eight-factor analysis (n=9303)All-factor analysis (n=4597)
Sex (women vs men)1.0260.932 to 1.1300.1691.0520.913 to 1.2130.4890.9790.855 to 1.1200.7531.1760.960 to 1.4420.118
Age0.9660.961 to 0.971 <0.001 0.9680.961 to 0.976 <0.001 0.9610.954 to 0.968 <0.001 0.9610.950 to 0.972 <0.001
Diabetes duration1.1021.093 to 1.111 <0.001 1.0711.059 to 1.084 <0.001 1.1021.091 to 1.113 <0.001 1.0771.061 to 1.094 <0.001
SBP1.0151.011 to 1.018 <0.001 1.0161.010 to 1.021 <0.001 1.0171.011 to 1.021 <0.001 1.0171.010 to 1.024 <0.001
DBP0.9950.989 to 1.0010.0830.9940.986 to 1.0020.1520.9870.980 to 0.995 0.002 0.9900.979 to 1.0020.095
FBG1.0401.019 to 1.062 <0.001 1.0080.972 to 1.0460.6661.0431.016 to 1.071 0.002 1.0761.028 to 1.127 0.002
HbA1c1.1641.128 to 1.201 <0.001 1.1021.051 to 1.156 <0.001 1.1681.172 to 1.250 <0.001 1.0600.994 to 1.1300.077
PBG1.0391.014 to 1.065 0.003 1.0130.979 to 1.0480.473
BMI0.9910.972 to 1.0120.4060.9760.948 to 1.0050.109
WHR1.5270.591 to 3.9470.3823.3140.927 to 11.8420.065
Medicine
 Oral versuss no medicine2.1581.517 to 3.069 <0.001 3.7371.721 to 8.113 0.001
 Insulin versus no medicine3.5352.455 to 5.089 <0.001 6.8563.141 to 14.966 <0.001
BUN1.0040.997 to 1.0110.2381.0020.994 to 1.0100.598
Cr1.0001.000 to 1.0010.7451.0001.000 to 1.0010.121
Cholesterol0.9990.955 to 1.0440.9480.9950.924 to 1.0710.890
Triglyceride0.9240.873 to 0.979 0.007 0.9500.878 to 1.0280.200
HDL1.0300.901 to 1.1760.6680.9700.789 to 1.1930.776
LDL1.0991.017 to 1.187 0.017 1.0930.978 to 1.2210.118
  • p<0.05 was considered statistically significant and marked in bold.

  • BMI, body mass index; BUN, blood urea nitrogen; Cr, creatinine; DBP, diastolic blood pressure; DR, diabetic retinopathy; FBG, fasting blood glucose;  HbA1c, glycosylated haemoglobin; HDL, high-density lipoprotein; LDL, low-density lipoprotein; n, number; PBG, postprandial blood glucose; SBP, systolic blood pressure; STDR, sight-threatening diabetic retinopathy; WHR, waist–hip ratio.