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Table 5 Babies' nasal results of a case control study of mastitis.

From: A case-control study of mastitis: nasal carriage of Staphylococcus aureus

 

Cases N (%)

Controls N (%)

   
 

S. aureuspos

S. aureusneg

S. aureuspos

S. aureusneg

Odds Ratio

95% CI

Babies 1–2 w

41 (91)

4

2 (67)

1

6.67

0.08

156.3

Babies 3–4 w

22 (82)

5

17 (53)

15

3.71

0.99

15.45

Babies 5–6 w

7 (78)

2

33 (59)

23

2.52

0.42

26.64

Babies >6 w

2 (29)

5

0 (0)

2

   

Total

72 (82)

16

52 (56)

41

3.49*

1.38

8.83

  1. (n = 88 infants of mothers with mastitis and 93 control infants), Melbourne, Australia, 2002–2004: stratified by age.
  2. *Mantel-Haenszel Weighted Odds Ratio.
  3. w = week(s).