Table 2 |
||||||
|
Colonisation rates (%) and 95% confidence intervals by gestational age and swab sitea. Using selective broth |
||||||
|
a. Using selective broth |
||||||
|
|
||||||
|
Swab site |
32 weeks gestation |
36 weeks gestation |
Labour |
|||
|
Prevalence |
95 % CI |
Prevalence |
95% CI |
Prevalence |
95% CI |
|
|
|
||||||
|
Low Vaginal Swab (LVS) |
19 |
16–21 |
20 |
17–23 |
21 |
18–24 |
|
Perianal Swab (PAS) |
21 |
18–24 |
22 |
19–25 |
22 |
19–25 |
|
Either LVS or PAS |
22 |
19–25 |
24 |
21–26 |
24 |
21–27 |
|
|
||||||
|
b. Removing "scanty" levels of colonisation as would occur in the absence of selective broth |
||||||
|
|
||||||
|
Swab site |
32 weeks gestation |
36 weeks gestation |
Labour |
|||
|
Prevalence |
95 % CI |
Prevalence |
95% CI |
Prevalence |
95% CI |
|
|
|
||||||
|
Low Vaginal Swab (LVS) |
14 |
11–16 |
15 |
13–18 |
17 |
14–20 |
|
Perianal Swab (PAS) |
15 |
12–18 |
15 |
12–17 |
16 |
13–19 |
|
Either LVS or PAS |
17 |
15–20 |
18 |
16–21 |
20 |
17–23 |
|
|
||||||
|
Hiller et al. BMC Pregnancy and Childbirth 2005 5:12 doi:10.1186/1471-2393-5-12 |
||||||
