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Table 2 Genotypic characterisations by PCR and antimicrobial susceptibility of all ARB isolates

From: Oral colonisation by antimicrobial-resistant Gram-negative bacteria among long-term care facility residents: prevalence, risk factors, and molecular epidemiology

Isolate’s code Species Patients’ ward (floor) POT code MIC (μg/mL)
ABPC PIPC T/P A/S CEZ CAZ CTX CZOP CPDX IMP MEPM AMK CPFX FOM ST
61E Acinetobacter baumannii 3 8–13-0 4 (S) ≤8 (S) ≤2 (S) 1 (S) 4 (S) ≤0.5 (S) 1 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) > 128 (R) ≤20 (S)
66C Acinetobacter baumannii 3 8–13-0 16 (S) ≤8 (S) ≤2 (S) 2 (S) 8 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) > 128 (R) ≤20 (S)
25E Acinetobacter baumannii 2 32–20-41 16 (S) ≤8 (S) > 16 (R) 4 (S) 16 (I) > 16 (R) > 8 (R) 4 (I) 2 (S) 2 (I) <=32 (S) ≤20 (S)
13C Acinetobacter baumannii 3 104–12-10 8 (S) ≤8 (S) ≤2 (S) 4 (S) 8 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) 0.25 (S) > 128 (R) ≤20 (S)
41C Acinetobacter baumannii 2 104–12-10 32 (I) 16 (S) 4 (S) 8 (S) 8 (S) 1 (S) ≤0.25 (S) 0.5 (S) ≤1 (S) ≤0.25 (S) > 128 (R) ≤20 (S)
45C Acinetobacter baumannii 2 104–12-10 32 (I) 32 (I) 4 (S) 8 (S) 16 (I) 2 (S) ≤0.25 (S) 1 (S) ≤1 (S) ≤0.25 (S) 128 (I) ≤20 (S)
50E-B Acinetobacter baumannii 2 104–12-10 8 (S) ≤8 (S) ≤2 (S) 2 (S) 4 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) 128 (I) ≤20 (S)
51E Acinetobacter baumannii 2 104–12-10 4 (S) ≤8 (S) ≤2 (S) 2 (S) 4 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) 128 (I) ≤20 (S)
52E Acinetobacter baumannii 2 104–12-10 8 (S) ≤8 (S) ≤2 (S) 4 (S) 8 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) 128 (I) ≤20 (S)
12C-C Acinetobacter baumannii 3 104–13-8 8 (S) ≤8 (S) ≤2 (S) 2 (S) 8 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) 2 (S) ≤0.25 (S) 128 (I) ≤20 (S)
70C Acinetobacter nosocomialis 2 2090-44-10 > 64 (R) > 64 (R) 16 (I) > 16 (R) > 32 (R) > 16 (R) ≤0.25 (S) 1 (S) ≤1 (S) 0.5 (S) 128 (I) ≤20 (S)
67C-B Acinetobacter sp. close to 13TU 3 3045-12-10 64 (I) 32 (I) ≤2 (S) > 16 (R) > 32 (R) 2 (S) ≤0.25 (S) 0.5 (S) 2 (S) 1 (S) 128 (I) ≤20 (S)
59C-B Acinetobacter sp. close to 13TU 3 3109-12-10 64 (I) 16 (S) ≤2 (S) 4 (S) 8 (S) 4 (S) ≤0.25 (S) 0.5 (S) 2 (S) ≤0.25 (S) 128 (I) ≤20 (S)
56C Acinetobacter ursingii 2 4000-50-16 > 64 (R) > 16 (R) > 16 (R) > 16 (R) > 32 (R) > 16 (R) ≤0.25 (S) 0.5 (S) ≤1 (S) 1 (S) 64 (S) > 40 (R)
68E Acinetobacter baylyi 2   4 (S) 8 (S) ≤2 (S) 4 (S) 8 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) ≤32 (S) ≤20 (S)
25C Acinetobacter sp. 2 4000-2-16 > 64 (R) 16 (S) 4 (S) 8 (S) 8 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) > 128 (R) ≤20 (S)
32E Acinetobacter sp. 2 4000-2-16 16 (S) ≤8 (S) ≤2 (S) 16 (I) 8 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) 128 (I) ≤20 (S)
65C Acinetobacter sp. 3 4000-2-16 16 (S) ≤8 (S) ≤2 (S) > 16 (R) 16 (I) 1 (S) ≤0.25 (S) 0.5 (S) 2 (S) 0.5 (S) 128 (I) ≤20 (S)
71C Acinetobacter sp. 1 4064-4-1 8 (S) ≤8 (S) ≤2 (S) 8 (S) 8 (S) 1 (S) ≤0.25 (S) ≤0.25 (S) 2 (S) ≤0.25 (S) ≤32 (S) ≤20 (S)
73E Escherichia coli 1 49–56-83 > 16 (R) > 64 (R) ≤8 (S) 16 (I) > 16 (R) > 16 (R) > 32 (R) > 16 (R) > 4 (R) ≤0.25 (S) ≤0.25 (S) 2 (S) > 2 (R) ≤20 (S)
43E Escherichia coli 2 49–58-19 > 16 (R) > 64 (R) ≤8 (S) 4 (S) > 16 (R) 8 (R) 16 (R) 16 (R) > 4 (R) ≤0.25 (S) ≤0.25 (S) 4 (S) > 2 (R) ≤20 (S)
95E Escherichia coli 1 49–62-235 > 16 (R) > 64 (R) ≤8 (S) > 16 (R) > 16 (R) 4 (S) > 32 (R) > 16 (R) > 4 (R) ≤0.25 (S) ≤0.25 (S) 32 (I) > 2 (R) > 40 (R)
77E Escherichia coli 1 49–122-83 > 16 (R) > 64 (R) ≤8 (S) 8 (S) > 16 (R) 4 (S) 32 (R) > 16 (R) > 4 (R) ≤0.25 (S) ≤0.25 (S) 4 (S) > 2 (R) ≤20 (S)
7C Klebsiella pneumoniae 3 > 16 (R) 16 (S) ≤8 (S) 4 (S) 1 (S) ≤0.5 (S) ≤1 (S) ≤0.5 (S) ≤2 (S) 0.5 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) > 128 (R) ≤20 (S)
87C Klebsiella pneumoniae 2 > 16 (R) 4 (S) ≤8 (S) 4 (S) 1 (S) ≤0.5 (S) ≤1 (S) ≤0.5 (S) ≤2 (S) ≤0.25 (S) ≤0.25 (S) 2 (S) ≤0.25 (S) ≤32 (S) ≤20 (S)
12C-A Klebsiella aerogenes 3 > 16 (R) 32 (I) 32 (I) > 16 (R) > 16 (R) > 16 (R) > 32 (R) ≤0.5 (S) > 4 (R) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) 64 (S) ≤20 (S)
91C Raoultella planticola 1 4 (S) ≤8 (S) ≤0.5 (S) ≤1 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) 64 (S) ≤20 (S)
82E Enterobacter cloacae 1 > 16 (R) 16 (S) 16 (S) > 16 (R) > 16 (R) 16 (R) 32 (R) ≤0.5 (S) > 4 (R) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) > 128 (R) ≤20 (S)
102C-B Serratia marcescens 2 16 (I) ≤2 (S) ≤8 (S) 8 (S) > 16 (R) ≤0.5 (S) ≤1 (S) ≤0.5 (S) ≤2 (S) 0.5 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) ≤32 (S) ≤20 (S)
18C-A Morganella morganii 3 > 16 (R) 4 (S) ≤8 (S) > 16 (R) > 16 (R) 2 (S) ≤1 (S) ≤0.5 (S) > 4 (R) 4 (S) ≤0.25 (S) 8 (S) ≤0.25 (S) > 128 (R) ≤20 (S)
101E Rahnella sp. 1 4 (S) ≤8 (S) ≤0.5 (S) ≤1 (S) ≤0.5 (S) 0.5 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) ≤32 (S) ≤20 (S)
71E Pseudononas aeruginosa 1 207–1 > 64 (I) > 64 (I) > 16 (R) > 32 (R) > 16 (R) > 8 (R) > 8 (R) > 32 (R) > 2 (R) > 128 (R) > 40
18C-B Pseudononas aeruginosa 3 108–2   4 (S) 4 (S)    2 (S)   ≤0.5 (S)   0.5 (S) 0.5 (S) 4 (S) ≤0.25 (S)   > 40
96C Pseudononas aeruginosa 1 641–0   ≤2 (S) ≤2 (S)    1 (S)   2 (S)   1 (S) ≤0.25 (S) 4 (S) 0.5 (S)   40
89C Pseudononas aeruginosa 1 696–16   4 (S) 4 (S)    1 (S)   ≤0.5 (S)   1 (S) 0.5 (S) 2 (S) ≤0.25 (S)   > 40
59C-A Pseudononas fluorescens/putida 3 8 (S) ≤8 (S) 2 (S) 16 (I) 1 (S) 1 (S) 2 (S) ≤1 (S) ≤0.25 (S) > 128 (R) > 40 (R)
67C-A Pseudononas fluorescens/putida 3 8 (S) ≤8 (S) 1 (S) 16 (I) ≤0.5 (S) 1 (S) 1 (S) ≤1 (S) ≤0.25 (S) > 128 (R) > 40 (R)
82C Pseudononas fluorescens/putida 1 16 (S) 16 (S) 2 (S) 32 (I) ≤0.5 (S) 0.5 (S) 4 (I) ≤1 (S) ≤0.25 (S) > 128 (R) > 40 (R)
66E Pseudomonas sp. 3 16 (S) 16 (S) 4 (S) 16 (I) ≤0.5 (S) 2 (S) 2 (S) 2 (S) ≤0.25 (S) > 128 (R) > 40 (R)
67E-A Pseudomonas sp. 3 4 (S) ≤8 (S) 1 (S) 16 (I) ≤0.5 (S) 1 (S) 2 (S) ≤1 (S) ≤0.25 (S) > 128 (R) > 40 (R)
102E Pseudononas sp. 2 8 (S) 8 (S) 8 (S) 1 (S) 1 (S) 1 (S) ≤1 (S) ≤0.25 (S) > 40 (R)
12E-A Stenotrophomonas maltophilia 3 > 64 (R) 16 (S) 16 (I) > 32 (R) > 16 (R) > 8 (R) > 8 (R) > 32 (R) 2 (I) 64 (S) 40 (S)
18E Stenotrophomonas maltophilia 3 > 64 (R) > 64 (R) 2 (S) > 32 (R) > 16 (R) > 8 (R) > 8 (R) > 32 (R) 1 (S) ≤32 (S) ≤20 (S)
20C Stenotrophomonas maltophilia 3 > 64 (R) > 64 (R) 4 (S) > 32 (R) > 16 (R) > 8 (R) > 8 (R) > 32 (R) 2 (I) > 128 (R) ≤20 (S)
26E Stenotrophomonas maltophilia 2 > 64 (R) 32 (I) 2 (S) 32 (I) > 16 (R) > 8 (R) > 8 (R) > 32 (R) 1 (S) 128 (I) ≤20 (S)
62C Stenotrophomonas maltophilia 3 > 64 (R) > 64 (R) > 16 (R) > 32 (R) > 16 (R) > 8 (R) > 8 (R) > 32 (R) 2 (I) 128 (I) 40 (S)
101C Stenotrophomonas maltophilia 1 > 64 (R) > 64 (R) > 16 (R) > 32 (R) > 16 (R) > 8 (R) > 8 (R) > 32 (R) 2 (I) 64 (S) ≤20 (S)
59E-C Chryseobacterium indologenes 3 64 (I) 64 (I) > 16 (R) > 32 (R) > 16 (R) > 8 (R) > 8 (R) > 32 (R) 1 (S) > 128 (R) 40 (I)
60E Chryseobacterium indologenes 3 > 64 (R) 64 (I) > 16 (R) > 32 (R) > 16 (R) > 8 (R) > 8 (R) > 32 (R) 1 (S) > 128 (R) > 40 (R)
65E-B Chryseobacterium indologenes 3 64 (I) 16 (S) > 16 (R) > 32 (R) > 16 (R) > 8 (R) > 8 (R) > 32 (R) 0.5 (S) > 128 (R) > 40 (R)
78E Chryseobacterium indologenes 1 64 (I) 32 (I) > 16 (R) > 32 (R) > 16 (R) > 8 (R) > 8 (R) 32 (I) 1 (S) > 128 (R) ≤20 (S)
102C-A Chryseobacterium indologenes 2 > 64 (R) 64 (I) > 16 (R) > 32 (R) > 16 (R) > 8 (R) > 8 (R) 32 (I) 0.5 (S) > 128 (R) ≤20 (S)
64E Aeromonas salmonicida 3 ≤2 (S) ≤8 (S) ≤0.5 (S) 2 (S) ≤0.5 (S) ≤0.25 (S) ≤0.25 (S) ≤1 (S) ≤0.25 (S) ≤32 (S) ≤20 (S)
78C Ochrobactrum sp. 1 > 64 (R) > 64 (R) > 16 (R) 16 (I) 2 (S) 1 (S) 1 (S) 8 (S) ≤0.25 (S) > 128 (R) > 40 (R)
  1. POT PCR-based ORF typing, ABPC Ampicillin, PIPC Piperacillin, T/P Tazobactam/piperacillin, A/S, Ampicillin/sulbactam, CEZ Cefazolin, CAZ Ceftazidime, CTX Cefotaxim, CZOP Cefozopran, CPDX Cefpodoxime, IMP Imipenem, MEPM, Meropenem, AMK Amikacin, CPFX Ciprofloxacin, FOM Fosfomycin, ST Sulfamethoxazole, S Susceptible, I Intermediate, R Resistant