|
Bacterial findings in breast milk of women with and without symptoms of mastitis: Odds Ratios with 95% confidence intervals for symptoms of mastitis |
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| Healthy donors (n = 466) |
Women with mastitis (n = 192) |
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| Bacterial Species |
Occurrence of bacteria in breast milk n (%) |
Mean (SD) counts (cfu/L) |
Occurrence of bacteria in breast milk n (%) |
Mean (SD) counts (cfu/L) |
Odds Ratio for occurrence of mastitis symptoms (95%CI) |
|
|
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| CNS |
419 (90%) |
106(± 1.1) |
160 (83%) |
106(± 1.1) |
0.60 (0.35, 0.91) p = 0.02 |
| Viridans Streptococci |
233 (50%) |
105(± 1.0) |
113 (59%) |
105(± 1.0) |
1.43 (1.02, 2.01) p = 0.04 |
| Staphylococcus aureus |
145 (31%) |
106(± 1.2) |
87 (45%) |
106(± 1.3) |
1.81 (1.29, 2.60) p = 0.001 |
| Group B streptococci |
47 (10%) |
106(± 1.5) |
41 (21%) |
106(± 1.4) |
2.40 (1.50, 3.71) p = <0.001 |
| Entercoccus faecalis |
28 (6%) |
106(± 1.1) |
16 (8%) |
106(± 1.1) |
0.70 (0.36, 1.43) p = 0.36 |
| Group G streptococci |
6 (1%) |
106 |
3 (2%) |
107 |
|
| Group A streptococci |
3 (1%) |
107 |
2 (1%) |
107 |
|
| Pneumococci |
4 (1%) |
107 |
5 (3%) |
105 |
|
| Corynebacteria |
2 (0.4%) |
104 |
1 (0.5%) |
105 |
|
| Enterobacteriaceae |
36 (8%) |
106 |
2 (1%) |
106 |
|
| Acinetobacter species |
12 (3%) |
106 |
0 |
0 |
|
| Pseudomonas species |
24 (5%) |
107 |
1 (0.5%) |
106 |
|
| Bacillus species |
5 (1%) |
105 |
1 (0.5%) |
104 |
|
| Propionibacterium species |
3 (1%) |
106 |
2 (1%) |
106 |
|
| Candida species |
4 (1%) |
105 |
4 (2%) |
105 |
|
|
CNS = coagulase negative staphylococci, SD = Standard Deviation | |||||
Kvist et al. International Breastfeeding Journal 2008 3:6 doi:10.1186/1746-4358-3-6 |
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