Antimicrobial products used prior to the NGAD evaluations. Products are grouped by type (, silver; , iodine; , honey; , PHMB; , debridement; , other; , systemic antibiotics). ‘Silver’, ‘Honey’ and ‘Antimicrobial’ were recorded as such. In some cases, multiple antimicrobial products were used either concurrently or sequentially; in 19 cases, no antimicrobial product was used; and in 9 cases, no product information was recorded.