Table. 6.

Number (%) of participants in the proficiency tests for weak D test

Trial (specimen)1 (BGS-17-03)2 (BGS-17-06)


RhDWeak DRhDWeak D
 Number141142158159
 Negative34 (24.1)3 (2.1)*100 (63.3)-
 ±15 (10.6)-33 (20.9)-
 1+39 (27.7)6 (4.2)18 (11.4)8 (5.0)
 2+44 (31.2)25 (17.6)5 (3.2)35 (22.0)
 3+7 (5.0)39 (27.5)1 (0.6)46 (28.9)
 4+2 (1.4)*55 (38.7)1 (0.6)*66 (41.5)
 Not done-14 (9.9)-4 (2.5)
 D positive68 (47.6)34 (21.3)
 D variant74 (51.7)126 (78.7)
 D negative1 (0.7)*-

Values are presented as number (%), unless otherwise stated

Unacceptable responses for weak D testing

J Lab Med Qual Assur 2018;40:9~20 https://doi.org/10.15263/jlmqa.2018.40.1.9
© Lab Med Qual Assur