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Table 1 Comparison of clinical features between two groups

From: Association of four gene polymorphisms in Chinese Guangxi population with diabetic retinopathy in type 2 diabetic patients

Clinical characteristics (Variable) NDR group (n = 386) PDR group (n = 316) P-value
Female [n (%)] 170 (44.04) 140 (44.87) 0.877
Age [years, mean ± SD] 58.50 ± 11.44 58.95 ± 10.16 0.699
Duration of DM [years, mean ± SD] 9.53 ± 7.07 10.10 ± 7.24 0.472
Body mass index (BMI) [kg/m2, mean ± SD] 23.922 ± 3.127 24.701 ± 4.760 0.093
HbA1c [% (mmol/mol), mean ± SD] 8.668 ± 2.432 8.677 ± 2.520 0.976
Insulin treatment [n (%)] 180 (46.63) 212 (67.52) 0.001
Hypertension [n (%)] 168 (43.52) 142 (45.22) 0.750
Systolic blood pressure [mmHg, mean ± SD] 130.65 ± 17.41 135.05 ± 18.06 0.025
Diastolic blood pressure [mmHg, mean ± SD] 81.01 ± 9.56 80.17 ± 10.40 0.437
Total cholesterol [mM, mean ± SD] 4.290 ± 1.188 4.448 ± 1.258 0.259
HDL cholesterol [mM, mean ± SD] 1.028 ± 0.273 1.080 ± 0.360 0.155
LDL cholesterol [mM, mean ± SD] 2.711 ± 0.967 2.853 ± 0.908 0.190
Glomerular filtration rate (GFR) [ml/min, mean ± SD] 84.970 ± 33.218 75.951 ± 28.971 0.013
  1. Bold indicates statistically significant results