| Organism | Frequency NO (%) |
| E. coli | 31 (62) |
| Klebsiella species | 6 (12) |
| Enterococci | 5 (10) |
| Staphylococcus aureus | 3 (6) |
| Proteus | 1 (2) |
| Providencia | 1 (2) |
| Enterobacter | 3 (6) |