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Prevalence of specific bacteria before washing, grouped (n = 45)
| Group A | Group B | ||||||
|---|---|---|---|---|---|---|---|
| Number | % | CI 95% | Number | % | CI 95% | P-values* | |
| S. aureus | 11.0 | 24.4 | ±12.5 | 8.0 | 17.8 | ±11.2 | 0.44 |
| B. cereus | 7.0 | 15.6 | ±10.6 | 18.0 | 40.0 | ±14.3 | 0.01 |
| Enterococcus | 2.0 | 4.4 | ±6.1 | 0.0 | - | - | - |
| Clostridium | 0.0 | - | - | 2.0 | 4.4 | ±6.1 | - |
*Chi-squared tests.
