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Baseline characteristics of the incident cohort
| GPRD | THIN | |
|---|---|---|
| Ulcer type, N (%) | ||
| Venous | 37 575 (98.2) | 20 261 (96.0) |
| Patient characteristics | ||
| Female, N (%) | 24 830 (65.0) | 12 870 (63.5) |
| Mean age (SD) | 73.2 (14.4) | 73.2 (14.1) |
| Median age, range | 76 (20–109) | 76 (20–109) |
