TABLE 1.

Differentiating features between EMM vs. SJS/SJS-TEN/TEN found in the prospective study by Auquier-Dunant et al21

	EMM	SJS/SJS-TEN/TEN
Median age	24	45
% male	64	43
Rate of recurrence	30	3
% with temperature ≥38.5°C	32	54
% with 2 or more mucous membranes involved	71	85
% caused by a drug shown to be significantly associated with SJS/TEN*	5	43-48
% caused by a drug shown to be associated with SJS/TEN**	18	64-66
% caused by recent HSV outbreak (within 4 weeks of onset of disease)	29	6 in SJS, 0 in SJS-TEN and TEN
% associated with collagen vascular disease	0	5
% associated with HIV	0	8
% associated with cancer	2	11