| Microbial isolate | n = 42 | % | |
| MICROSOPY | PRESENT | 27 | 64.3 |
| ABSENT | 15 | 35.7 | |
| CULTURE | STREPT PYOGENES | 7 | 16.7 |
| STAPH AUREUS | 4 | 9.5 | |
| STREPT FAECALIS | 5 | 11.9 | |
| KLEBSIELLA PNEUMONIAE | 2 | 4.8 | |
| YEAST CELLS | 4 | 9.5 | |
| E COLI | 5 | 11.9 | |
| NONE | 15 | 35.7 | |