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. 2015 Mar 20;38(6):1138–1144. doi: 10.2337/dc14-2422

Table 1.

Clinical demographic results and neuropathy assessment in control subjects and in DSPN(−) and DSPN(+) patients with type 1 diabetes

Variable Control subjects 
(n = 26) DSPN(−)
 (n = 46) DSPN(+)
(n = 17)
Age, years 44 ± 15 44 ± 13 59 ± 11
Duration of diabetes, years N/A 23 ± 15 39 ± 14
HbA1c (%) 5.5 ± 0.3 8.2 ± 1.4 8.5 ± 1.3
HbA1c (mmol/mol) 37.1 ± 3.5 62.2 ± 24.1 69.3 ± 14.3
BMI (kg/m2)* 26.8 ± 4.0 26.4 ± 4.5 27.5 ± 3.5
Cholesterol (mmol/L)
 Total* 5.0 ± 0.8 4.4 ± 0.9 4.3 ± 0.9
 HDL 1.5 ± 0.3 1.6 ± 0.5 1.6 ± 0.4
Triglycerides (mmol/L) 1.4 ± 0.7 1.2 ± 0.7 1.3 ± 0.6
Blood pressure (mmHg)
 Systolic 126.7 ± 16.3 130.3 ± 17.8 141.1 ± 25.2§
 Diastolic 70.2 ± 9.1 71.6 ± 9.6 73.0 ± 9.8
VPT (V) 6.0 ± 5.5 7.6 ± 5.5 25.2 ± 13.4§
WT (°C) 36.4 ± 2.0 38.7 ± 3.6 43.5 ± 4.6§
CT (°C) 28.8 ± 1.6 27.1 ± 2.7 16.8 ± 10.6§
PMNCV (m/s) 49.1 ± 3.4 43.9 ± 3.1 31.0 ± 9.5§
SSNCV (m/s) 50.9 ± 3.9 45.3 ± 5.2 37.8 ± 6.8§
PMNamp (μV) 6.0 ± 2.4 6.0 ± 8.3 1.6 ± 1.6§
SSNamp (μV) 19.7 ± 8.3 12.5 ± 6.9 4.3 ± 3.5§
IENFD¿ 9.8 ± 3.7 7.0 ± 5.0 5.0 ± 5.5§
Manual
 CNFD 36.8 ± 5.3 28.3 ± 7.2 16.9 ± 10.1§
 CNBD* 92.8 ± 36.4 56.1 ± 30.3 48.2 ± 32.9
 CNFL 26.7 ± 3.7 20.2 ± 5.1 14.8 ± 8.3§
Automated
 CNFD 31.3 ± 6.5 22.6 ± 7.3 13.5 ± 9.1§
 CNBD 44.6 ± 17.2 26.2 ± 15.1 15.4 ± 12.1§
 CNFL 17.7 ± 2.8 13.4 ± 3.3 8.8 ± 4.7§

Results are expressed as mean ± SD.

N/A, not applicable for this group.

Statistically significant differences using ANOVA/Kruskal-Wallis:

*P < 0.05;

¿P < 0.01;

P < 0.001;

P < 0.0001.

Post hoc results for DSPN(+) significantly different from

¶control subjects and

§DSPN(−).