| Staphylococcus strains identified | Number of contaminated samples | Percentage |
| Staphylococcus xylosus | 112 | 47.7% |
| Staphylococcus aureus | 55 | 23.4% |
| Staphylococcus lugdunensis | 30 | 12.8% |
| Staphylococcus sciuri | 25 | 10.6% |
| Staphylococcus intermedius | 3 | 1.3% |
| Staphylococcus lentus | 16 | 6.8% |
| Staphylococcus hominis | 20 | 8.5% |
| Staphylococcus simulans | 2 | 0.9% |
| Staphylococcus saprophyticus | 7 | 3.0% |
| Staphylococcus haemolyticus | 10 | 4.3% |
| Staphylococcus capitis | 6 | 2.6% |
| None | 30 | 12.8% |