Table. 2.

Number (%) of participating laboratories in the proficiency tests for RhD typing in 2020

Trial Specimen Total Negative Variant Positive Intended response
1st BB-20-01 877 (100.0) 0 0 877 (100.0) Positive
BB-20-02 877 (100.0) 0 0 877 (100.0) Positive
BB-20-03 877 (100.0) 0 0 877 (100.0) Positive
2nd BB-20-07 885 (100.0) 882 (99.7) 2 (0.2) 1 (0.1) Negative
BB-20-08 885 (100.0) 2 (0.2) 0 883 (99.8) Positive
BB-20-09 884 (100.0) 0 0 884 (100.0) Positive
Lab Med Qual Assur 2021;43:167~175 https://doi.org/10.15263/jlmqa.2021.43.4.167
© Lab Med Qual Assur