Table 1 Erythema and oedema scores used to determine the primary irritation index
From: Evaluation of the wound healing property of Commiphora guidottii Chiov. ex. Guid.
Erythema | Value |
|---|---|
No erythema | 0 |
Very slight erythema (barely perceptible) | 1 |
Well-defined erythema | 2 |
Moderate to severe erythema | 3 |
Severe erythema (beef redness) | 4 |
Oedema formation | Value |
No oedema | 0 |
Very slight oedema (barely perceptible) | 1 |
Slight oedema (edges of area well-defined by definite raising) | 2 |
Moderate oedema (raised approximately 1Â mm) | 3 |
Severe oedema (extending beyond the area of exposure) | 4 |