Table 1. Frequency of wound suppuration after 4 weeks of open fracture with Staphylococcus aureus contamination in rats.

Groups (n)	Suppuration
	n	%
A (n = 11)	3	27.0
B (n = 8)	0	0
C (n = 8)	2	25.0
D (n = 7)	1	14.0
E (n = 8)	1	12.5
F (n = 10)	0	0
TOTAL (n = 52)	7	13.5

p =0.3591; 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.