Table 2.

Zones of inhibition were measured with amikacin-loaded chitosan sponges (Pseudomonas aeruginosa) and vancomycin-loaded chitosan sponges (Staphylococcus aureus)

Sample type	24-hour ZOI (mm)	48-hour ZOI (mm)
P. aeruginosa control	2–3 mm (one corner only)	0 mm
Amikacin (1)	30–34 mm	22–24 mm
Amikacin (2)	32–34 mm	22–24 mm
S. aureus control	1–2 mm (one corner only)	0 mm
Vancomycin (1)	30–32 mm	18–20 mm
Vancomycin (2)	30–32 mm	14–20 mm

ZOI = zone of inhibition.