The Korean Journal of Blood Transfusion : eISSN 2383-6881 / pISSN 1226-9336

Table. 1.

Table. 1.

Baseline characteristics and transfusion history of the two groups in the study population

Variables Total Patients (N=571) Alloimmunization P-value
No (N=553) Yes (N=18)
Age (years) 60.0 (58.6∼62.0) 60.0 (58.0∼62.0) 61.5 (55.2∼71.0) 0.4607
Male, N 306 (53.6) 297 (53.7) 9 (50.0) 0.9440
RBC (units)
Number of transfusion episodes 8.0 (7.0∼9.0) 7.0 (6.0∼9.0) 17.5 (10.0∼26.0) 0.0016
Units or transfusion volume 14.8 (13.0∼17.0) 14.0 (12.6∼16.6) 37.1 (20.5∼48.3) 0.0020
PLT (units)
Number of transfusion episodes 7.0 (5.0∼9.0) 7.0 (5.0∼8.0) 19.5 (8.6∼42.6) 0.0269
Units of transfusion volume 49.6 (37.2∼64.3) 46.2 (35.0∼61.4) 122.8 (69.4∼297.2) 0.0249

1 unit is 400 mL of RBCs, FFP, PLTs.

Apheresis-PLT is calculated in units of 5.

Data are shown as median (95% confidence interval) or number (percentage).

Abbreviations: RBCs, red blood cells; FFP, fresh frozen plasma; PLTs, platelets.

Korean J Blood Transfus 2022;33:14-23 https://doi.org/10.17945/kjbt.2022.33.1.14
© 2022 Korean J Blood Transfus