TABLE 2.

Skin and intradermal stimulation response scoring system.

Type	0	1	2	3	4
Erythema and eschar	No erythema	Very subtle erythema	Clear erythema	Moderate erythema	Severe erythema (purple-red) to eschar formation
edema	No edema	Very subtle edema	Clear edema (swelling, not beyond the edge of area)	Moderate edema (swelling about 1 mm)	Severe edema (swelling of more than 1 mm, beyond the range of application)