Table 2. . HLA-B75 serotype carrier frequency in carbamazepine-induced Stevens–Johnson syndrome/toxic epidermal necrolysis patients and normal controls.

HLA-B serotype	Frequency (%)			Case with SJS/TEN vs general control		Case with SJS/TEN vs tolerant control
	SJS/TEN (n = 12)	General control (n = 236)	Tolerant control (n = 17)	Odds ratio (95% CI)	p-value	Odds ratio (95% CI)	p-value
B75	10 (83.3%)	87 (36.9%)	5 (29.4%)	8.56 (1.83–40)	0.0018	12 (1.90–75.72)	0.0078

SJS/TEN: Stevens–Johnson syndrome/toxic epidermal necrolysis.