Background
Methods
Study design
Collection and culture of specimens
Identification of the isolates as Streptococcus agalactiae
Antibiotic susceptibility testing
DNA-extraction from isolates
Genotyping of isolates
Capillary electrophoresis
Data analysis
Serotyping
Statistical methods
Results
Comparison of culture techniques
Specimen | No. of positive GBS cultures detected by | |||
---|---|---|---|---|
Columbia CNA agar | Lim broth + Granada agar | Lim broth + Columbia CNA agar | Total no. of women colonized | |
Vaginal | 11 | 28 | 24 | 28 |
Rectal | 11 | 27 | 11 | 27 |
Total | 22 | 55 | 45 | 36 |
Carriage of GBS and genotyping
Number | Number | V DC | V LG | V LC | R DC | R LG | R LC |
---|---|---|---|---|---|---|---|
1 | RVS143 | - |
+
a/V
b
| - | - | - | - |
2 | RVS038 | - |
A/III
|
A/V
| - | - | - |
3 | RVS071 | - |
A/IV
|
A/IV
| - | - | - |
4 | RVS073 | - |
A/III
|
A/V
| - | - | - |
5 | RVS109 | - |
A/V
|
A/V
| - | - | - |
6 | RVS034 |
A/III
|
B/Ib
| - | - | - | - |
7 | RVS035 |
B/III
|
A/II
|
A/II
| - | - | - |
8 | RVS076 |
A/Ib
|
B/Ib
|
B/Ib
| - | - | - |
9 | RVS148 | - |
A/III
|
B/III
| - | - | - |
10 | RVS004 | - | - | - | - |
+/Ia
| - |
11 | RVS051 | - | - | - | - |
+/V
| - |
12 | RVS080 | - | - | - | - |
+/IV
| - |
13 | RVS084 | - | - | - | - |
A/NT
|
A/NT
|
14 | RVS021 | - | - | - |
B/Ia
|
A/Ib
|
A/Ib
|
15 | RVS061 | - | - | - |
B/V
|
A/NT
|
A/NT
|
16 | RVS120 | - | - | - | - |
A/Ia
|
B/Ia
|
17 | RVS145 | - | - | - | - |
A/Ia
|
B/V
|
18 | RVS017 | - |
A/IV
|
A/IV
| - |
A/IV
| - |
19 | RVS047 | - |
A/IV
|
A/IV
|
A/IV
|
A/IV
|
A/IV
|
20 | RVS106 |
A/II
|
A/II
| - |
A/II
|
A/II
| - |
21 | RVS127 |
A/IV
|
A/IV
|
A/IV
| - |
A/IV
|
A/IV
|
22 | RVS069 | - |
A/NT
| - | - |
A/NT
| - |
23 | RVS039 | - |
A/Ia
|
A/Ia
| - |
B/Ia
|
A/Ia
|
24 | RVS083 | - |
A/III
|
B/Ib
|
A/III
|
A/III
|
A/III
|
25 | RVS114 | - |
B/V
|
A/V
| - |
A/V
|
A/V
|
26 | RVS123 | - |
A/NT
|
A/NT
| - |
A/NT
|
B/NT
|
27 | RVS027 |
A/V
|
A/V
|
C/V
|
A/V
|
A/V
|
B/V
|
28 | RVS033 |
A/III
|
C/III
|
A/III
|
A/III
|
B/III
|
A/III
|
29 | RVS064 |
A/III
|
B/III
|
A/III
|
A/III
|
C/III
|
A/III
|
30 | RVS075 | - |
B/II
|
A/II
| - |
C/II
|
A/II
|
31 | RVS110 |
A/V
|
A/V
|
A/V
|
C/V
|
B/V
|
A/V
|
32 | RVS126 |
A/NT
|
C/IV
|
A/NT
| - |
B/IV
|
A/NT
|
33 | RVS136 | - |
A/NT
|
B/III
| - |
A/NT
|
C/NT
|
34 | RVS031 | - |
D/III
|
A/III
|
B/NT
|
A/III
|
C/II
|
35 | RVS062 | - |
D/II
|
A/II
| - |
B/II
|
C/II
|
36 | RVS074 |
B/Ib
|
A/Ib
|
D/Ib
|
B/Ib
|
A/Ib
|
C/Ib
|