Number of participating institutions and results
| Year | Round | Participant | No. of results | No. of unacceptable results (%) | ABO | RhD | Crossmatch |
|---|---|---|---|---|---|---|---|
| 2019 | 1st | 874 | 26,884 | 718 (2.7) | 13,110 | 5,178 | 8,596 |
| 2019 | 2nd | 876 | 26,902 | 675 (2.5) | 13,140 | 5,202 | 8,560 |
| 2020 | 1st | 890 | 27,353 | 763 (2.8) | 13,350 | 5,262 | 8,741 |
| 2020 | 2nd | 897 | 27,605 | 549 (2.0) | 13,455 | 5,308 | 8,842 |
| 2021 | 1st | 917 | 28,229 | 669 (2.4) | 13,755 | 5,430 | 9,044 |
| 2021 | 2nd | 915 | 28,155 | 539 (1.9) | 13,710 | 5,406 | 9,039 |
| 2022 | 1st | 908 | 28,024 | 768 (2.7) | 13,620 | 5,364 | 9,040 |
| Total | 6,277 | 193,152 | 4,681 (2.4) |