Table 2: Concordance of IgG titer results obtained by CTT (1+ strength as end point) with pre-DTT and post DTT treatment results obtained by CAT (1+/2+/3+ strength as end point).

IgG

pCAT (1+)

 

 

 

Anti-A

28.7 (560)

14 (274)

57.3 (1119)

Anti-B

17.5 (344)

8 (157)

74.5 (1461)

pCAT (2+)

 

 

 

Anti-A

21.3 (427)

49.6 (995)

29.1 (583)

Anti-B

30.9 (617)

33.1 (661)

35.9 (717)

pCAT (3+)

 

 

 

Anti-A

11.5 (225)

82.7 (1613)

5.7 (112)

Anti-B

10.9 (215)

84 (1659)

5.2 (102)

CAT (1+)

 

 

 

Anti-A

6.4 (128)

0.6 (12)

93 (1865)

Anti-B

3.5 (71)

0 (0)

96.5 (1934)

CAT (2+)

 

 

 

Anti-A

40.3 (806)

12.3 (254)

47.4 (948)

Anti-B

32 (641)

6.5 (131)

61.5 (1233)

CAT (3+)

 

 

 

Anti-A

19.9 (396)

74.4 (1472)

6 (119)

Anti-B

23.8 (477)

66.1 (1352)

10.1 (203)

CAT: Pre DTT treatment; pCAT: Post DTT treatment.