Table 3: The correlation of pre DTT treatment and post DTT treatment results obtained by CTT (1+) and CAT (1+,2+,3+) measuring IgG and IgM antibodies for anti-A and anti-B.

Antibody

Comparing methods

Spearman’s rho

p-value

Strength of correlation

Association

Direction of correlation

IgM

Anti-A

CTT(1+) - pCAT(1+)

0.58

< 0.05

Moderate

Significant

Positive

Anti-B

CTT(1+) - pCAT(1+)

0.60

< 0.05

Strong

Significant

Positive

IgG

Anti-A

CTT(1+) - pCAT(1+)

0.48

< 0.05

Moderate

Significant

Positive

Anti-B

CTT(1+) - pCAT(1+)

0.61

< 0.05

Strong

Significant

Positive

IgM

Anti-A

CTT(1+) - pCAT(2+)

0.62

< 0.05

Strong

Significant

Positive

Anti-B

CTT(1+) - pCAT(2+)

0.65

< 0.05

Strong

Significant

Positive

IgG

Anti-A

CTT(1+) - pCAT(2+)

0.63

< 0.05

Strong

Significant

Positive

Anti-B

CTT(1+) - pCAT(2+)

0.71

< 0.05

Strong

Significant

Positive

IgM

Anti-A

CTT(1+) - pCAT(3+)

0.56

< 0.05

Moderate

Significant

Positive

Anti-B

CTT(1+) - pCAT(3+)

0.61

< 0.05

Strong

Significant

Positive

IgG

Anti-A

CTT(1+) - pCAT(3+)

0.48

< 0.05

Moderate

Significant

Positive

Anti-B

CTT(1+) - pCAT(3+)

0.72

< 0.05

Strong

Significant

Positive

IgM

Anti-A

CTT(1+) - CAT(1+)

0.78

< 0.05

Strong

Significant

Positive

Anti-B

CTT(1+) - CAT(1+)

0.75

< 0.05

Strong

Significant

Positive

IgG

Anti-A

CTT(1+) - CAT(1+)

0.78

< 0.05

Strong

Significant

Positive

Anti-B

CTT(1+) - CAT(1+)

0.75

< 0.05

Strong

Significant

Positive

IgM

Anti-A

CTT(1+) - CAT(2+)

0.74

< 0.05

Strong

Significant

Positive

Anti-B

CTT(1+) - CAT(2+)

0.73

< 0.05

Strong

Significant

Positive

IgG

Anti-A

CTT(1+) - CAT(2+)

0.78

< 0.05

Strong

Significant

Positive

Anti-B

CTT(1+) - CAT(2+)

0.87

< 0.05

Very Strong

Significant

Positive

IgM

Anti-A

CTT(1+) - CAT(3+)

0.35

< 0.05

Weak

Significant

Positive

Anti-B

CTT(1+) - CAT(3+)

0.09

0.21

Very weak

Not significant

Positive

IgG

Anti-A

CTT(1+) - CAT(3+)

0.18

0.007

Very weak

Significant

Positive

Anti-B

CTT(1+) - CAT(3+)

0.01

0.87

Very weak

Not significant

Positive

CAT: Pre DTT treatment; pCAT: Post DTT treatment