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Table 1

Summary of results for IGT, diabetic, and control groups

Control subjectsType 1 diabetic subjectsIGT subjects
n 16 16 14 
Age (years) 50 ± 8 46 ± 7 50 ± 5 
Sex    
    Male 6 (40) 8 (50) 9 (64) 
    Female 10 (60) 8 (50) 5 (36) 
2-h glucose (mmol/l) 4.8 ± 0.94 — 9.1 ± 1.0 
BMI (kg/m227 ± 5 27 ± 4 31 ± 7 
Waist circumference (cm) 88 ± 11 87 ± 20* 103 ± 16 
Blood pressure (mmHg) 124/75 ± 14/9 129/71 ± 19/9 124/70 ± 15/11 
Lipid-lowering therapy 0 (0) 8 (50) 4 (29) 
Total cholesterol (mmol/l) 5.44 ± 1.3 4.80 ± 1.0 5.61 ± 1.0 
HDL cholesterol (mmol/l) 1.59 ± 0.3* 1.71 ± 0.3 1.30 ± 0.4 
LDL cholesterol (mmol/l) 3.26 ± 0.9 2.74 ± 1.0 3.26 ± 1.3 
Triglycerides (mmol/l) 1.26 ± 0.4§ 0.84 ± 0.4 1.97 ± 0.6 
Metabolic syndrome 0 (0) 1 (6) 10 (71) 
Neuropathy Disability Scale score (0–10) 
Vibration perception threshold (V) 7 ± 4 8 ± 4 7 ± 4 
Vibration sensation (JND) 16 ± 3 17 ± 5 16 ± 3 
Cooling sensation (JND) 10 ± 3 10 ± 4 11 ± 6 
Warming sensation (JND) 18 ± 3 19 ± 3 19 ± 4 
LDIflare (cm25.23 ± 1.7 5.16 ± 2.3§ 2.78 ± 1.1 
LDImax (PU) 550 ± 86 489 ± 90 504 ± 78 
Control subjectsType 1 diabetic subjectsIGT subjects
n 16 16 14 
Age (years) 50 ± 8 46 ± 7 50 ± 5 
Sex    
    Male 6 (40) 8 (50) 9 (64) 
    Female 10 (60) 8 (50) 5 (36) 
2-h glucose (mmol/l) 4.8 ± 0.94 — 9.1 ± 1.0 
BMI (kg/m227 ± 5 27 ± 4 31 ± 7 
Waist circumference (cm) 88 ± 11 87 ± 20* 103 ± 16 
Blood pressure (mmHg) 124/75 ± 14/9 129/71 ± 19/9 124/70 ± 15/11 
Lipid-lowering therapy 0 (0) 8 (50) 4 (29) 
Total cholesterol (mmol/l) 5.44 ± 1.3 4.80 ± 1.0 5.61 ± 1.0 
HDL cholesterol (mmol/l) 1.59 ± 0.3* 1.71 ± 0.3 1.30 ± 0.4 
LDL cholesterol (mmol/l) 3.26 ± 0.9 2.74 ± 1.0 3.26 ± 1.3 
Triglycerides (mmol/l) 1.26 ± 0.4§ 0.84 ± 0.4 1.97 ± 0.6 
Metabolic syndrome 0 (0) 1 (6) 10 (71) 
Neuropathy Disability Scale score (0–10) 
Vibration perception threshold (V) 7 ± 4 8 ± 4 7 ± 4 
Vibration sensation (JND) 16 ± 3 17 ± 5 16 ± 3 
Cooling sensation (JND) 10 ± 3 10 ± 4 11 ± 6 
Warming sensation (JND) 18 ± 3 19 ± 3 19 ± 4 
LDIflare (cm25.23 ± 1.7 5.16 ± 2.3§ 2.78 ± 1.1 
LDImax (PU) 550 ± 86 489 ± 90 504 ± 78 

Data are means ± SD or n (%) unless otherwise indicated. All groups not significantly different unless marked: *P < 0.05 vs. IGT;

P < 0.01 vs. IGT;

§P = 0.002 vs. IGT;

P = 0.0001 vs. IGT. JND, just noticeable difference.

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