Table 1 Accuracy of biofilm classification (“negative” or “weak” or “moderate” or “strong”) from ordinal mixed effect regression by susceptibility results for each of the antibiotics based on standardized (Z-score) concentrations.

From: Simple fluorometric-based assay of antibiotic effectiveness for Acinetobacter baumannii biofilms

Antibiotic

MIC†

MBEC50‡

MBEC75‡

Gentamicin

48.55%

65.22%

68.84%

Amikacin

54.35%

69.57%

68.84%

Ciprofloxacin

48.55%

64.49%

65.22%

Ceftriaxone

46.38%

52.17%

54.35%

Colistin

44.93%

52.17%

64.49%

Fosfomycin

44.93%

57.25%

64.49%

Ceftazidime

48.55%

60.87%

65.22%

Imipenem

57.24%

94.92%

95.65%

Meropenem

63.04%

86.95%

97.10%

Sulbactam

44.92%

74.63%

73.91%

  1. †Minimal inhibitory concentrations (MIC, μg mL−1) for planktonic cells.
  2. ‡Minimal biofilm eradication concentrations (MBEC, μg mL−1) were categorized as responsive reaching about 50% and 75% of the total non-viable cells within a given antibiotic concentration range.
  3. The percentage (%) represent prediction of biofilm classification (“negative” or “weak” or “moderate” or “strong”) accuracy for all tested antibiotics based on standardized (Z-score) concentrations.
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