Table. 9.

Number (%) of participants in the proficiency tests for Kidd antigen typing

Trial (specimen) Category Antigen Kidd type

Jk(a) Jk(b)
1st (BGS-21-02) No. of participants 25 25 Jk(a+b+) 25 (100.0)
Negative
Trace 1 (3.8)
1+ 6 (23.1) 2 (8.0)
2+ 10 (38.5) 7 (28.0)
3+ 4 (15.4) 9 (36.0)
4+ 5 (19.2) 7 (28.0)
2nd (BGS-21-05) No. of participants 26 25 Jk(a+b+) 25 (100.0)
Negative
Trace
1+ 8 (30.8) 1 (4.0)
2+ 10 (38.5) 7 (28.0)
3+ 2 (7.7) 10 (40.0)
4+ 6 (23.1) 7 (28.0)
Lab Med Qual Assur 2022;44:10~20 https://doi.org/10.15263/jlmqa.2022.44.1.10
© Lab Med Qual Assur