Laboratory Medicine and Quality Assurance

Table. 1.

Number (%) of participants in the proficiency tests for ABO blood grouping in 2022

Trial Specimen Total A B AB O Discrepancy Intended response
1st BB-22-01 908 (100.0) 0 1 (0.1) 906 (99.8) 0 1 (0.1) AB
BB-22-02 908 (100.0) 0 1 (0.1) 906 (99.8) 0 1 (0.1) AB
BB-22-03 908 (100.0) 1 (0.1) 903 (99.4) 0 2 (0.2) 3 (0.3) B
2nd BB-22-07 916 (100.0) 1 (0.1) 915 (99.9) 0 0 1 (0.1) B
BB-22-08 916 (100.0) 0 1 (0.1) 0 915 (99.9) 1 (0.1) O
BB-22-09 916 (100.0) 915 (99.9) 0 1 (0.1) 0 1 (0.1) A
Lab Med Qual Assur 2023;45:52~57 https://doi.org/10.15263/jlmqa.2023.45.2.52
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