MIC (mg/L)		% inhibited at MIC (mg/L)
Organism (no. tested)	50%	90%	≤1	≤2	≤4
1. S. aureus (SA; 1,943)	0.25	0.5	100	–	–
2. Enterococcus spp. (328)	0 25	0.5	100
3. P. aeruginosa (PSA; 209)	8	16	6	12	34
4. β-haemolytic streptococci (184)	≤0.06	0.12	100	–	–
5. E. coli (EC; 171)	0.25	0.5	100	–	–
6. Coag neg staphylococci (CoNS; 168)	0.25	0.5	99	100	–
7. Enterobacter spp. (ENT; 95)	0.5	1	95	96	100
8. Kiebsiella spp. (KSP; 66)	0.5	1	97	100	–
9. P. mirabilis (PM; 50)	2	8	12	54	82
10. Acinetobacter spp. (ASP; 41)	0.5	1	95	98	98
Overall Total % Inhibited			92	94	98