| Isolated Microorganism | No Product | Detect | Total | ||
| F | % | F | % | ||
| E. coli | 4 | 11 | 33 | 89 | 37 |
| S. aureus | 3 | 14 | 18 | 86 | 21 |
| P. mirabilis | 0 | 0 | 10 | 100 | 10 |
| K. pneumonia | 1 | 17 | 5 | 83 | 6 |
| P. aeruginosa | 3 | 75 | 1 | 25 | 4 |
| Total | 11 | 14 | 67 | 86 | 78 |