| Specimen | Number of subjects | percentage |
| Pus | 9 | 24.3% |
| Urinary catheter | 8 | 21.6% |
| Urine | 8 | 21.6% |
| Blood culture | 7 | 18.9% |
| Wound | 3 | 8.1% |
| Venous catheter | 2 | 5.4% |
| Total | 37 | 100 |