Table 1.
Subject Demographics
| Male N = 9 | Female N = 11 | p value | |
|---|---|---|---|
| Age (years) | 60 ± 11 | 61 ± 11 | 0.8 |
| BMI (kg/m2) | 35.3 ± 9.1 | 38.8 ± 9.1 | 0.2 |
| History of diabetes (years) | 21 ± 7 | 14 ± 10 | 0.1 |
| History of diabetic foot ulcers (% of participants) | 60% | 30% | - |
| History of venous leg ulcer (% of participants) | 10% | 20% | - |
| Diabetic peripheral neuropathy (% of participants)a | 100% | 50% | - |
| VPT (V) | 60 ± 29 | 25 ± 15 | 0.001 |
| Semmes–Weinstein monofilament (# of sensation out of ten) | 1.9 ± 2.6 | 8.1 ± 3.8 | 0.001 |
| ABI | 1.13 ± 0.20 | 1.08 ± 0.19 | 0.6 |
| Foot circumference (cm) | 30.1 ± 3.0 | 26.1 ± 2.7 | <0.01 |
| Ankle circumference (cm) | 26.3 ± 2.5 | 24.4 ± 4.4 | 0.3 |
| Calf circumference (cm) | 41.6 ± 5.0 | 41.6 ± 6.2 | 0.98 |
| Skin tissue dielectric constant value | 34.8 ± 5.9 | 27.8 ± 4.3 | <0.01 |
a
Defined as <10/10 Semmes–Weinstein monofilament score or VPT at hallux >25 V.