| Bacterial pathogens | N = 130 | Percentage |
| Escherichia coli | 53 | 51.5 |
| Proteus mirabilis | 16 | 15.5 |
| Staphylococcus aureus | 12 | 11.7 |
| Klebsiella species | 8 | 7.8 |
| Enterobacter species | 7 | 6.8 |
| Staphylococcus aureus + Streptococcus | 2 | 1.9 |
| Acinobacter baumanii | 2 | 1.9 |
| S. aureus + Pseudomonas | 1 | 1.0 |
| Ureaplasma urealyticum | 1 | 1.0 |
| Morexella catarralis | 1 | 1.0 |
| Total | 103 | 100 |