GSTM1 and toxic epidermal necrolysis: Nine of them were significantly associated with death, including age, malignancy, CKD with baseline estimated GFR of either 30–89 or <30 mL/min per 1.73 m2, coronary artery disease, HR >120 beats/min, final diagnoses of SJS-TEN overlap and TEN, BUN >10 mmol/L, Hb <10 g/dL, and serum albumin <2 g/dL.