Case number Case 1 Case 2 Case 3 Case 4
Age-Sex 88M 67F 38F 67M
Ethnicity Caucasian East-Asian South-East Asian Indo-Asian
Prior drug allergy Nil Cefalexin (Unknown reaction) Nil Nil
Charlson Comorbidity index (Age adjusted) 6 2 0 7
Immunosuppression † Nil Nil Prednisolone 25mg daily Splenectomy
SCAR phenotype DRESS GBFDE TEN TEN
Phenotypic score ‡ RegiScar: 4 N/A Alden: 4-5 Alden: 6
Skin test results § IDT positive: BP, AMP, FLX, CFT NP NP NP
HLA results HLA results HLA results HLA results HLA results
HLA-A
01:01:01G 03:01:01G 24:02:01G 24:07:01G 11:01:01G 24:02:01G 33:03:01G 33:03:01G
HLA-B
07:02:01G 18:01:01G 35:05:01G 40:02:01G 40:01:01G 44:03:02G 44:03:02G 58:01:01G
HLA-C
07:01:01G 07:02:01G 03:04:01G 04:01:01G 03:04:01G 07:01:01G 03:02:01G 07:01:01G