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Clinical characteristics of the ulcers
| Number of ulcers | |
| 1 | 19 (65·5%) |
| ≥2 | 10 (34·5%) |
| Unilateral | 86·2% |
| Location | |
| Foot | 7 (24·1%) |
| Around ankle | 16 (55·2%) |
| Between ankle and knee | 11 (37·9%) |
| Thigh | 1 (3·4%) |
| Size (greatest diameter of ulcers, cm) | Range, 2–16·2 cm |
