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Table 2 ADAMTS13 activity levels and anti-ADAMTS13 antibodies during pregnancy of women included in the study

From: Pregnancy complications in acquired thrombotic thrombocytopenic purpura: a case–control study

Patient

ADAMTS13 activity, by FRET

Anti-ADAMTS13 IgG, by WB (%, by ELISA)

1 T

2 T

3 T

1 T

2 T

3 T

1

<3

<3

on PEX

P (4)

P (5)

on PEX

2

<3

on PEX

 

P (3)

on PEX

 

3

na

na

<3

na

na

P (7.5)

4

na

na

6

na

na

P (3.5)

5

40

Miscarriage

 

P (2)

Miscarriage

 

6

na

Miscarriage

 

na

Miscarriage

 

7

14

Miscarriage

 

P (4.4)

Miscarriage

 

8

na

Miscarriage

 

na

Miscarriage

 

9

20

Miscarriage

 

P (<1.18)

Miscarriage

 

10

129

97

70

N

N

N

11

40

39

45

N

N

N

12

90

84

80

N

N

N

13

na

na

73

na

na

N

14

64

96

68

N

N

N

15

90

na

na

N

na

na

  1. Abbreviations: WB Western blotting, T Trimester, P Positive, N Negative, PEX Plasma-exchange, na Not available.