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Table 1 The clinical features of the six infants with congenital syphilis and corresponding mothers

From: TPPA titer as a new adaptation for early diagnosis of congenital syphilis: a retrospective analysis of observation over three years in Yunnan, China

Number

At birth

TRUST titer

TPPA titer

TRUST seroreversion time (M)

Gestational age (W)

Weight (kg)

Infant

Mother

Infant

Mother

1a

NA

NA

NA (0 Y)/1:64 (4 years)b

NA

NA (0 Y)/1:1280 (4 years)

NA

Nonec

2

38

3.14

1:1 (0 Y)/1:1 (1.5  years)

1:1

1:1280 (0 Y)/1:160 (1.5 years)

1:1280

30

3

32

1.83

1:8 (0 Y)/1:4 (4 years)

1:2

1:1280 (0 Y)/1:1280 (4 years)

1:1280

None

4

36

2.60

1:1 (0 Y)/− (11 years)

1:1

1:1280 (0 Y)/1:1280 (11 years)

1:1280

19

5

39

3.06

1:2 (0 Y)/− (4 years)

1:1

1:1280 (0 Y)/1:160 (4 years)

1:1280

6

6

38

2.92

1:8 (0 Y)/1:4 (5 years)

1:1

1:1280 (0 Y)/1:1280 (5 years)

1:1280

None

  1. NA: not available; W: week(s); M: month(s); −: negative
  2. aThis infant is an adopted child, the information of the natural mother is not clear
  3. b0 Y indicates the time of the infant at birth
  4. cNone means there is no seroreversion observed in the child