| Species | Rate number of isolation | Percentage |
| Escherichia coli | 30 | 36% |
| Proteus mirabilis | 24 | 30% |
| Klebsiella pneumonia | 6 | 7% |
| Citrobacter freundii | 6 | 7% |
| Providencia stuartii | 6 | 7% |
| Erwinia sp. | 6 | 7% |