Patients’ baseline characteristics
| Diabetic foot ulcer | Leg ulcer (venous) | Open wound | Pressure ulcer | Surgical wound | Unspecified | Other acute wounds* | Other chronic wounds† | All wounds | |
| Mean age per patient (years) | 62.3 | 70.9 | 53.4 | 76.1 | 55.4 | 55.9 | 48.4 | 55.9 | 57.9 |
| Percentage male | 51% | 48% | 40% | 40% | 42% | 49% | 40% | 42% | 44% |
| Percentage smoker | 11% | 7% | 18% | 7% | 19% | 22% | 23% | 18% | 17% |
| Percentage ex-smoker | 37% | 44% | 29% | 40% | 29% | 28% | 20% | 24% | 30% |
| Percentage non-smoker | 52% | 48% | 51% | 40% | 52% | 49% | 55% | 58% | 52% |
| Percentage with unknown smoking status | 0% | 1% | 2% | 13% | 0% | 1% | 2% | 0% | 1% |
| Mean body mass index per patient (kg/m2) | 30.9 | 31.5 | 29.6 | 24.5 | 28.3 | 28.9 | 28.6 | 28.6 | 29.1 |
| Percentage with new wounds in the study period | 61% | 59% | 87% | 80% | 77% | 80% | 81% | 62% | 73% |
| Percentage of all wounds with a recorded infection | 78% | 41% | 94% | 13% | 35% | 1% | 24% | 63% | 40% |
*Other acute wounds comprise abscesses, burns and traumatic wounds.
†Other chronic wounds comprise arterial, mixed and unspecified leg ulcers. Full details are available in online supplemental table S2.