| Isolate | Number | Percent of total isolates |
| Escherichia coli | 14 | 26.9% |
| Proteus mirabilis | 10 | 18.2% |
| Staphylococcus intermedius | 8 | 14.6% |
| Pseudomonas aeruginosa | 6 | 10.9% |
| Staphylococcus aureus | 5 | 9.1% |
| Klebsiella pneumoniae | 4 | 7.3% |
| Enterococcus spp. | 2 | 3.6% |
| Acinetobacter anitratus | 1 | 1.8% |
| Serratia plymuthica | 1 | 1.8% |
| Coagulase-negative Staphylococcus sp. | 3 | 5.5% |
| Streptococcus spp. | 1 | 1.8% |
| Total | 55 | 100% |