Laboratory Medicine and Quality Assurance

Table. 2.

Number (%) of participants in the proficiency tests for RhD typing in 2021

Trial Specimen Total Negative Variant Positive Intended response
1st BB-21-01 905 (100.0) 1 (0.1) 0 904 (99.9) Positive
BB-21-02 905 (100.0) 1 (0.1) 0 904 (99.9) Positive
BB-21-03 905 (100.0) 1 (0.1) 0 904 (99.9) Positive
2nd BB-21-07 901 (100.0) 899 (99.8) 1 (0.1) 1 (0.1) Negative
BB-21-08 901 (100.0) 0 0 901 (100.0) Positive
BB-21-09 901 (100.0) 0 0 901 (100.0) Positive
Lab Med Qual Assur 2022;44:10~20 https://doi.org/10.15263/jlmqa.2022.44.1.10
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