Table. 1.

Number (%) of participating laboratories in the proficiency tests for ABO blood grouping in 2020

Trial Specimen Total A B AB O Discrepancy Intended response
1st BB-20-01 890 (100.0) 0 887 (99.7) 0 0 3 (0.3) B
BB-20-02 890 (100.0) 0 0 0 888 (99.8) 2 (0.2) O
BB-20-03 890 (100.0) 888 (99.8) 0 0 0 2 (0.2) A
2nd BB-20-07 897 (100.0) 1 (0.1) 0 896 (99.9) 0 0 AB
BB-20-08 897 (100.0) 0 0 0 895 (99.8) 2 (0.2) O
BB-20-09 897 (100.0) 1 (0.1) 893 (99.6) 0 0 3 (0.3) B
Lab Med Qual Assur 2021;43:167~175 https://doi.org/10.15263/jlmqa.2021.43.4.167
© Lab Med Qual Assur