Figure 4.

Antimicrobial susceptibility pattern of the most representative Gram-positive bacteria. The percentage of antibiotic resistance of (a) Klebsiella pneumoniae, (b) Escherichia coli, and (c) Proteus mirabilis is reported for each year investigated in the study. Abbreviations: clav. = clavulanic acid; Cefo = cefotaxime; Cefta = ceftazidime; Cipro = ciprofloxacin; Erta = ertapenem; Genta = gentamicin; Merop = meropenem; Nitrofu = nitrofurantoin; Norfl = norfloxacin; Pip./Taz. = piperacillin/tazobactam; Trim./Sulf. = trimetoprim/sulfamethoxazole.