Table 1—

Clinical characteristics of the 72 study participants with diabetes

Female sex26 (36)
Age (years)56 ± 11
Diabetes type
    Type 1 diabetes8 (11)
    Type 2 diabetes64 (89)
Diabetes duration (years)12 ± 10
Diabetes therapy
    Therapeutic lifestyle change     alone6 (8)
    Oral hypoglycemic agents47 (65)
    Insulin15 (21)
Combined oral agents and insulin4 (6)
Current smoking8 (11)
Height (cm)170 ± 10
Weight (kg)88 ± 21
Sural nerve amplitude potential (μV)5.6 ± 5.9
Presence of diabetic sensorimotor polyneuropathy50 (69)
  • Data are means ± SD or n (%).

  • As measured by conventional nerve conduction studies (the reference standard). Values ≤6 μV are considered abnormal.

  • According to the commonly accepted American Academy of Neurology criteria described in research design and methods.