Table 1 Baseline patient characteristics
Characteristic | Number |
|---|---|
Patients (n = 90) | |
Age at initial diagnosis (years), mean ± SD | 60.7 ± 10.6 |
Follow up period (years), mean ± SD | 3.7 ± 3.8 |
Gender, female/male, n | 22/68 |
Bilateral patients (n = 11) gender: female/male, n | 6/5 |
Comorbidity, n (%)a | |
• Diabetes | 90 (100) |
• Peripheral vascular diseaseb | 14 (16) |
• Obesity (BMI > 25 kg/m2) | 12 (13) |
Affected feet (n = 101) | |
Female/male, n | 28/73 |
Left/right (in unilaterally affected patients, n = 79), n | 39/40 |
Location of CNc (n = 101 ft) | |
Zone 1 (distal and proximal interphalangeal joints, metatarsophalangeal joints) | 10 unilateral, 2 bilateral |
Zone 2 (tarsometatarsal joints (Lisfranc) | 25 unilateral, 10 bilateral |
Zone 3 (naviculo-cuneiform joints, talonavicular joint; cacaneocuboid joint) | 8 unilateral, 5 bilateral |
Zone 4 (ankle joint, subtalar joint) | 3 unilateral, 0 bilateral |
Zone 5 (calcaneus) | 2 unilateral, 0 bilateral |
Zones 1 + 2 | 6 unilateral, 0 bilateral |
Zones 2 + 3 | 1 unilateral, 0 bilateral |
Zones 2 + 4 | 19 unilateral, 5 bilateral |
Zones 3 + 4 | 3 unilateral, 0 bilateral |
Zones 4 + 5 | 2 unilateral, 0 bilateral |