Table 6. Histological evaluation of osteogenic matrix after 4 weeks of open fracture with Staphylococcus aureus contamination in rats according to each group.
| Groups (n =52) | Osteo Matrix | |||
|---|---|---|---|---|
| Mild | Intense | |||
| N | % | n | % | |
| A (n =11) | 4 | 36.4 | 7 | 63.6 |
| B (n =8) | 7 | 87.5 | 1 | 12.5 |
| C (n =8) | 6 | 75.0 | 2 | 25.0 |
| D (n =7) | 4 | 57.1 | 3 | 42.9 |
| E (n =8) | 6 | 75.0 | 2 | 25.0 |
| F (n =10) | 10 | 100.0 | 0 | 0.0 |
p <0.05; Groups: A – no treatment; B – Systemic ciprofloxacin; C – Chitosan impregnated rod; D – Chitosan impregnated rod with 10% ciprofloxacin; E – Chitosan impregnated rod with 25% ciprofloxacin; F – Chitosan impregnated rod with 50% ciprofloxacin.