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Table 3 Strong, moderate and weak biofilm formers and their percentage resistance to various antibiotics

From: Evaluation of efflux pump activity and biofilm formation in multidrug resistant clinical isolates of Pseudomonas aeruginosa isolated from a Federal Medical Center in Nigeria

Antibiotics Resistance (%) Ρ
SBF (%) n = 11 MBF (%) n = 12 WBF (%) n = 16
Ceftazidime 100 100 100 a
Cefuroxime 100 100 100 a
Gentamicin 45.5 58.3 50 0.5
Cefixime 100 91.7 100 0.5
Ofloxacin 100 100 93.8 0.5
Amoxicillin + clavulanic acid 100 100 100 a
Nitrofurantoin 90.9 91.7 93.8 − 0.25
Ciprofloxacin 100 91.7 100 0.5
Imipenem 45.5 25 12.5 − 1
Cefepime 9.1 50 25 − 0.5
Aztreonam 45.5 25 6.25 − 1
  1. SBF: Strong biofilm formers, MBF: Moderate biofilm formers, WBF: Weak biofilm formers, ρ: Spearman rank correlation coefficient, a: ρ was not determined
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