Table 1.
Patient demographics
| Variable | Control subjects (n = 30) | Diabetic subjects (n = 30) | Charcot subjects(n = 20) |
|---|---|---|---|
| Duration of diabetes (months) | — | 133 ± 80 | 178 ± 100 |
| Age (years) | 52.9 ± 7.7 (40–69) | 57.8 ± 8.8* (41–73) | 57.9 ± 10.1* (43–78) |
| Race | |||
| Black | 10 | 15 | 3 |
| White | 19 | 15 | 16 |
| Asian | 1 | 0 | 0 |
| Hispanic | 0 | 0 | 1 |
| Weight (kg) | 89.4 ± 15.2 | 99.9 ± 18.8* | 110.0 ± 23.4* |
| BMI (kg/m2) | 28.8 ± 6.2 | 32.9 ± 7.0* | 33.7 ± 5.6* |
| Waist-to-hip ratio | 0.94 ± 0.06 | 1.01 ± 0.05* | 1.02 ± 0.06* |
| BP (mmHg) | |||
| Systolic | 132 ± 13.8 | 137.9 ± 14.4 | 149.7 ± 19.7* |
| Diastolic | 82.3 ± 10.5 | 82.6 ± 12.5 | 83.1 ± 7.4 |
| HbA1c (%) | 6.1 ± 1.0 | 7.0 ± 2.9 | 8.3 ± 1.6* |
| Glucose (mg/dL) | 84.6 ± 26.1 | 147.0 ± 77.0* | 171.4 ± 107.9* |
| Total calcium (mg/dL) | 8.9 ± 0.6 | 8.9 ± 0.6 | 8.8 ± 0.6 |
| Parathyroid hormone intact (pg/mL) | 32.5 ± 24.1 | 18.1 ± 15.4† | 38.3 ± 19.7 |
| Vitamin D 25OH (ng/mL) | 19.4 ± 9.7 | 16.4 ± 8.1 | 17.9 ± 9.6 |
Continuous data are expressed as mean ± SD (range), and categoric data as n.
*P < 0.05 vs. control subjects.
†P < 0.05 vs. control and Charcot subjects.