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Table 1 Group demographics and physical characteristics

From: Neuropathic midfoot deformity: associations with ankle and subtalar joint motion

Characteristic DM PN and deformity DM PN No deformity Young controls p value
Age (years) 55 ± 9 58 ± 11 28 ± 6 <0.05
Race 4 Black 4 Black 2 Black NS
16 Caucasian 15 Caucasian 16 Caucasian
1 Asian 2 Asian
Gender (M/F) 10 / 10 9 / 11 11 / 9 NS
HT (cm) 175 ± 8 172 ± 8 173 ± 10 NS
WT (kg) 113 ± 26 95 ± 26 79 ± 18 <0.05
BMI (kg/m2) 37 ± 7 32 ± 8 26 ± 5 <0.05
DM Type (1/2) 2 / 14 3 / 16 N/A NS
DM duration (years) 16 ± 10 15 ± 13 N/A NS
Touch/pressure to S-W monofilament (No.) Absent Diminished (4) Normal (20) NS
(20) Absent (16)
VPT (volts) 33 ± 12 27 ± 12 N/A NS
HbA1c (%) 7.8 ± 1.8 7.8 ± 1.4 N/A NS
Eichenholtz stage (No. I/II) 18/2 N/A N/A  
Schon classification (No. Type I/II/III/IV/mixed) 7/2/1/5/5 N/A N/A  
Deformity foot (R/L) 9/11 N/A N/A  
  1. S-W monofilament is Semmes-Weinstein monofilament; VPT is vibration perception threshold; HbA1c is percent of glycated hemoglobin. Eichenholtz Stage is temporal staging by clinical and radiographic criteria. Schon Classification is location of deformity; Type I is Lisfranc joints; Type II is naviculo-cuneiform; Type III is peri-navicular and Type IV is transverse tarsal joints. NS is not significant. N/A is not applicable.