Different strategies for HLA crossmatching in participating laboratories
| Methods | Year | |||
|---|---|---|---|---|
| 2019 | 2020 | 2021 | 2022 | |
| T-CDC-Direct + T-CDC-AHG + T-FCM | 30 | 30 | 30 | 30 |
| T-CDC-Direct + T-CDC-AHG | 15 | 14 | 14 | 14 |
| T-CDC-AHG + T-FCM | 2 | 2 | 2 | 3 |
| T-FCM | 1 | 1 | 1 | |
| Total | 47 | 47 | 47 | 48 |
| B-CDC-Direct + B-FCM | 12 | 15 | 16 | 17 |
| B-CDC-Direct | 10 | 6 | 8 | 8 |
| B-FCM | 11 | 12 | 10 | 11 |
| Total | 33 | 33 | 34 | 36 |
Abbreviations: HLA, human leukocyte antigen; CDC-Direct, Center for Disease Control and Prevention-Direct; AHG, anti-human globulin; FCM, flow cytometry.