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Table 1 Grouping of the participants from each site

From: Carriage and serotype distribution of Streptococcus agalactiae in third trimester pregnancy in southern Ghana

 

Mamprobi (Accra) N = 200

(Range)

Dangme West (Dodowa)

N = 200

(Range)

P values or Odds ratio (95% confidence interval)a

Maternal age group

  < 20

14c

0

 

 20–30

118

128

 

  > 30

67

72

 

 Unknownb

1

0

 

 Mean age

27.99 (15–42)

28.97 (21–44)

P = 0.06 (−1.98 – −0.04)

Parity

 0

43

24

 

 1

56

68

 

  > 1

78

108

 

 Unknownb

23

0

 

 Mean parity

1.5 (0–7)

1.9 (0–5)

P = 0.01 (−0.62 – −0.08)*

Abortion

 0

114

132

 

 1

30

48

 

  > 1

14

20

 

 Unknownb

42

0

 

 Mean abortion

0.4 (0–6)

0.5 (0–5)

P = 0.33 (−0.27–0.09)

Education

 None or Primary

54

56

 

 Secondary or more

142

144

OR = 1.02 (0.66–1.59), P = 0.921

 Unknownb

4

0

 

Urinary tract infection (UTI)

 Yes

11

12

 

 No

187

120

OR = 0.59 (0.25–1.38)

P = 0.217

 Unknownb

2

68

 
  1. aThe p-value was either calculated by a chi-square test or a Welch Two Sample t-test. Odds ratios (OR), with confidence intervals of 95% (95% CI), were calculated
  2. bHas not been added to the calculation. *The P-value is significant
  3. cNumber of women