Table 1. Data sources considered for inclusion in the meta-analysis.
| Studies1 | Ulcer types2 | Comparator | Ulcer area measurements |
| Jørgensen et al. (2005) | Venous/arterial ulcers | Foam dressing (Allevyn) | Planimetry only |
| Münter et al. (2006) | Venous, mixed, arterial, diabetic and pressure ulcers | Local best practice3 | Axis based |
| Humbert et al. (2006) | Venous, mixed | Calcium alginate dressing (Algosteril) | Planimetry and axis based |
| Senet et al. (2013) | Venous | Foam dressing (Biatain) | Planimetry and axis based |
1
All studies were multinational except Humbert et al. which was a French study. 2Only subjects with venous or mixed ulcer aetiologies were selected for the meta-analysis.3Local Best Practice included foams/alginates (53%), hydrocolloids (12%), gauze (3%), silver dressings (17%), other microbial dressings (9%) and other active dressings (6%).