Table 1.

Skin reaction signs with scoring value

Reaction	Score
Erythema and eschar formation
No erythema	0
Very slight erythema (barely perceptible)	1
Well defined erythema	2
Moderate to severe erythema	3
Severe erythema (Beet red) to slight eschar formation	4
Edema formation
No edema	0
Very slight edema (barely perceptible)	1
Slight edema (edges of area well defined by definite raising)	2
Moderate edema (raising approximately 1 mm)	3
Severe edema (raised more than 1 mm extending beyond the area of exposure)	4