Patients (n=12)
Age, years, median (range) 68.5 (56-78)
Sex (male/female), n (%) 3/9 (25/75%)
Diagnosis, n (%) AML 6 (50%)
MDS overt AML 6 (50%)
Weight, Kg, median (range) 48.2 (35.0-63.8)
Height, cm, median (range) 150.1 (137.0-171.2)
BSA, m², median (range) 1.46 (1.15-1.72)
Chemotherapy at platelet transfusion refractoriness,
Idarubicin+Ara-C/CAG/HD-AraC, n (%)
3/5/4(25/42/33%)
No. of units previously transfused, median (range) RBC 24 (6-132)
(random donor units) Platelets 155 (50-340)
Time to detection of anti-HLA Abs, months, median (range) 4 (1-28)
HLA-matched platelets  
No. of transfusions, median (range) 10.5 (2-30)
No. of units, median (range) 177.5 (25-490)
Platelet count (x1011)/no. of transfusions, median (range) 3.2 (2.4-3.9)
No. of platelet units/no. of transfusions, median (range) 16.2 (12.1-19.6)
ABO compatibility status/no. of patients (%)  
ABO identical, median (range) 37.5% (0-84)
ABO minor incompatible, median (range) 10.2% (0-40)
ABO major incompatible, median (range) 46.7% (0-100)
Abbreviations: AML: Acute Myeloid Leukaemia; MDS: Myelodysplastic Syndrome; BSA: Body Surface Area; AraC: Cytarabine; CAG: Cytarabine+Aclarubicin +Granulocyte Colony-Stimulating Factor; HD-AraC, high-dose AraC; RBC: Red Blood Cell; HLA: Human Leucocyte Antigen; Abs: Antibodies; No.: Number.
Table 1: Patient demographic characteristics and details of platelet transfusion.