Table 1—

Clinical characteristics of participants of the WESDR according to severe hypoglycemia status

AllSevere hypoglycemia
YesNo
n53778459
Women (%)49.951.349.6
Age (years)45.3 ± 9.944.1 ± 10.745.5 ± 9.7
BMI (kg/m2)27.5 ± 4.726.7 ± 4.927.7 ± 4.7
Waist-to-hip ratio0.86 ± 0.090.84 ± 0.08*0.86 ± 0.09*
A1C (%)7.8 ± 1.47.8 ± 1.67.8 ± 1.4
Diabetes duration (years)31.3 ± 7.931.4 ± 9.531.2 ± 7.7
Intensive insulin treatment (%)65.368.464.7
Number of times/day taking insulin2.8 ± 0.92.8 ± 0.82.8 ± 1.0
Test blood glucose by fingerstick (%)90.197.4*88.9*
Number of tests/day3.6 ± 2.14.0 ± 2.23.6 ± 2.1
Use of continuous pump (%)20.523.719.9
Triglycerides (mg/dl)99.5 ± 68.8100.04 ± 68.799.45 ± 68.9
Cholesterol (mg/dl)179.2 ± 35.2185.6 ± 35.5178.1 ± 35.0
LDL cholesterol (mg/dl)102.8 ± 30.9106.2 ± 33.4102.2 ± 30.4
HDL cholesterol(mg/dl)56.8 ± 15.959.4 ± 15.956.3 ± 15.9
Orthostatic hypotension (%)16.515.816.7
Alcohol consumption (ounces/day)0.17 ± 0.40.17 ± 0.50.17 ± 0.3
Smoking (%)
    Never57.747.459.4
    Past27.026.927.1
    Current15.325.713.5
Past severe hypoglycemia (%)4.67.94.1
Nephropathy (%)25.128.224.6
Neuropathy (%)47.252.646.3
Retinopathy (%)
    None to mild NPDR42.451.141.2
    Moderate to severe NPDR18.815.619.2
    Proliferative38.833.339.6
  • Data are means ± SD or percent.

  • *

    * P < 0.05;

  • P < 0.01. NPDR, nonproliferative diabetic retinopathy.