Table 2.

Bactericidal activities of levofloxacin, ciprofloxacin, gentamicin, and ceftazidime against floating-form P. aeruginosa

Treatment (n = 3)Bacterial count (log10 CFU/ml) ata:
3 h6 h24 h
None (control)5.81 ± 0.256.03 ± 0.126.46 ± 0.24
Levofloxacin6.02 ± 0.135.62 ± 0.363.15 ± 0.25**
Ciprofloxacin4.72 ± 0.18**4.62 ± 0.16**4.19 ± 0.37**
Gentamicin5.23 ± 0.334.67 ± 0.31**3.76 ± 0.40**
Ceftazidime5.45 ± 0.275.29 ± 0.16**5.35 ± 0.46
  • a At 0 h, the bacterial count was 5.53 ± 0.14 log10 CFU/ml. Values are means ± standard deviations. **, significantly different from the corresponding value for the control.