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Table 3 Milk samples collected in women with and without symptoms of mastitis in which S. aureus was isolated (total number of women = 346)

From: Determinants of mastitis in women in the CASTLE study: a cohort study

S. aureus-positive milk samplesa

n

% (95 % CI)

Women with mastitis (n = 27)b

16

59.3 (39, 78)

Women without mastitis:

  

 Week 1 (n = 657)

207

31.5 (28, 35)

 Week 2 (n = 660)

172

26.1 (23, 29)

 Week 3 (n = 648)

117

18.1 (15, 21)

 Week 4 (n = 642)

94

14.6 (12, 17)

  1. aSamples were collected separately for each breast
  2. bMilk collected from women who reported mastitis at the time of collection or the day before milk collection