TABLE 3.

Tissue biopsy histological grading for burn wound infectiona

GradeHistological description
0No microorganisms observed throughout the section
IMicroorganisms limited to burn wound surface
    IaContamination by a few bacteria
    IbColonization by numerous organisms
IIMicroorganisms penetrated superficial dermis
IIIBacterial colonization observed throughout dermis
IVImportant microbial invasion occurred in burn wound eschar of subjacent viable tissue and hypodermis
  • a Data are from reference 294.