Table. 1.

Number (%) of participants in the proficiency tests for ABO blood grouping in 2021

Trial Specimen Total A B AB O Discrepancy Intended response
1st BB-21-01 917 (100.0) 0 915 (99.8) 0 0 2 (0.2) B
BB-21-02 917 (100.0) 0 0 0 916 (99.9) 1 (0.1) O
BB-21-03 917 (100.0) 0 0 915 (99.8) 0 2 (0.2) AB
2nd BB-21-07 914 (100.0) 0 914 (100.0) 0 0 0 B
BB-21-08 914 (100.0) 1 (0.1) 910 (99.6) 1 (0.1) 0 2 (0.2) B
BB-21-09 914 (100.0) 912 (99.8) 1 (0.1) 0 0 1 (0.1) A
Lab Med Qual Assur 2022;44:10~20 https://doi.org/10.15263/jlmqa.2022.44.1.10
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