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Table 1 Numbers of invasive group B Streptococcal (iGBS) infections cases by capsular polysaccharide serotypes (CPS) and the clinical characteristics

From: Emerging serotype III sequence type 17 group B streptococcus invasive infection in infants: the clinical characteristics and impacts on outcomes

CPS

Age of iGBS onset

Source of iGBS isolates

EOD

LOD

LLOD

Blood

CSF

Ascites

Pleural fluid

Ia

10 (24.4)

19 (15.7)

4 (20.0)

27 (17.3)

6 (25.0)

0 (0)

0 (0)

Ib

10 (24.4)

2 (1.7)

3 (15.0)

13 (8.3)

2 (8.3)

0 (0)

0 (0)

II

2 (4.9)

1 (0.8)

0 (0)

3 (1.9)

0 (0)

0 (0)

0 (0)

III

14 (34.1)

96 (79.3)

8 (40.0)

102 (65.4)

16 (66.7)

0 (0)

0 (0)

V

2 (4.9)

2 (1.7)

2 (10.0)

6 (3.8)

0 (0)

0 (0)

0 (0)

VI

3 (7.3)

1 (0.8)

3 (15.0)

5 (3.2)

0 (0)

1 (100)

1 (100)

Total

41 (22.5)

121 (66.5)

20 (11.0)

156 (85.7)

24 (13.2)

1 (0.55)

1 (0.55)

  1. EOD: early onset disease (≤ 7 days); LOD: late onset disease (8–90 days); LLOD: late late-onset disease (> 90 days); CSF: cerebrospinal fluid