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Table 1 IgG/IgM- anti-A titers and complement activation status of plasma samples

From: Complement activating ABO anti-A IgM/IgG act synergistically to cause erythrophagocytosis: implications among minor ABO incompatible transfusions

No.

Anti-A IgG card

Anti-A IgM card

Anti-C3b/d

Complement non-activating (Group 1)

Low titer

 1

16

8

0

 2

32

16

0

 3

128

16

0

 4

128

16

0

 5

128

8

0

 6

128

16

0

 7

128

16

0

 8

128

8

0

 9

128

8

0

High titer

 10

256

32

0

 11

256

32

0

 12

256

16

0

 13

256

16

0

 14

256

16

0

 15

512

32

0

 16

512

32

0

 17

512

16

0

 18

512

32

0

 19

1024

64

0

 20

1024

16

0

Complement activating (Group2)

Low titer

 21

32

64

1+

 22

64

64

2+

 23

128

64

1+s

 24

128

32

1+

High titer

 25

256

32

1+

 26

256

16

1+

 27

512

64

1+s

 28

512

64

1+s

 29

1024

64

1+

 30

1024

64

M+

  1. Titer-matched samples were taken from both the groups. Italics rows indicate the samples used in the study (data has published previously in Pandey et al. [18])