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. 2021 Jun 28;19(6):e06680. doi: 10.2903/j.efsa.2021.6680
Antibiotic How resistance is reported (%R or %R + I) Weighted arithmetic mean prevalence of resistance (%) Maximum resistance % observed Minimum resistance % observed Weighted standard deviation Bacterial species/genus
Fluoroquinolones R 7.4 94.3 1 12.2 S. pseudintermedius
Fluoroquinolones R + I 7.1 13 1 5 S. pseudintermedius
Fusidic acid R + I 12.9 38 0 6.4 S. pseudintermedius
Gentamicin R 7.2 58.6 1 10.3 S. pseudintermedius
Gentamicin R + I 8.3 13.5 1.7 4.6 S. pseudintermedius
Lincosamides R 26 98.6 3.3 17.6 S. pseudintermedius
Lincosamides R + I 19.8 24.9 13 4.6 S. pseudintermedius
Methicillin R 7.7 72.2 0.9 9.5 S. pseudintermedius
Sulfa/TMP R 13.5 97.1 5 10.2 S. pseudintermedius
Tetracyclines R 31.8 95.7 13.7 16.4 S. pseudintermedius
Tetracyclines R + I 23.2 33.8 20.2 4.2 S. pseudintermedius
3GC R 6.5 33.3 0 6.3 E. coli
3GC R + I 11.1 71.4 0.2 10.8 E. coli
Aminopenicillins R 30.7 100 8.8 15.8 E. coli
Aminopenicillins R + I 39.3 70.2 28.1 12.5 E. coli
Amox/Clav R 16.7 100 0 18 E. coli
Amox/Clav R + I 26.5 76.5 12.3 13.2 E. coli
Fluoroquinolones R 14.4 92.5 1.8 14.6 E. coli
Fluoroquinolones R + I 8 39.3 2.1 7.6 E. coli
Nitrofurantoin R + I 1.1 1.6 1 0.2 E. coli
Sulfa/TMP R 11.7 77.5 0 9.5 E. coli
Fluoroquinolones R 34.4 63.6 9 13.8 P. aeruginosa
Fluoroquinolones R + I 62.9 80 8 17.2 P. aeruginosa
Gentamicin R 14.5 71.4 4.1 19.3 P. aeruginosa
Gentamicin R + I 16.2 36.4 2 5 P. aeruginosa
Polymyxin B/Colistin R 11.3 54.4 0 14.8 P. aeruginosa
Polymyxin B/Colistin R + I 0.8 1 0 0.4 P. aeruginosa
3GC R 14.5 100 9.3 17.4 Klebsiella spp.
3GC R + I 70.2 91.7 0 39.2 Klebsiella spp.
Aminopenicillins R 81.9 91 62.5 13.4 Klebsiella spp.
Amox/Clav R 30.3 50 21 13.7 Klebsiella spp.
Amox/Clav R + I 76.6 91.7 27.3 27.6 Klebsiella spp.
Fluoroquinolones R 49.8 100 12.5 35.8 Klebsiella spp.
Sulfa/TMP R 64.2 91.7 9.1 28.5 Klebsiella spp.
3GC R 8.7 33.3 5.2 9.3 Enterobacter spp.
Sulfa/TMP R 48 97.4 13 41.8 Enterococcus spp.
3GC R 16.2 37 9.4 11.9 Proteus spp.
3GC R + I 3.3 75 1.8 8.5 Proteus spp.
Aminopenicillins R 38.6 71 28 18.6 Proteus spp.
Aminopenicillins R + I 26.1 28.9 8.7 6.9 Proteus spp.
Amox/Clav R 6.3 20.4 3.7 5 Proteus spp.
Amox/Clav R + I 11.5 68.7 5.5 6.4 Proteus spp.
Fluoroquinolones R 8.5 26.2 0.3 11.5 Proteus spp.
Fluoroquinolones R + I 9.8 13.2 3.6 3.2 Proteus spp.
Sulfa/TMP R 21.2 87.5 5.3 10.1 Proteus spp.
Fluoroquinolones R + I 32.9 52.5 3 22.2 S. schleiferi
Gentamicin R + I 31.2 49 0 23 S. schleiferi
Lincosamides R + I 17.7 25.5 4 10.1 S. schleiferi
Methicillin R 40 67.3 0 29.6 S. schleiferi
Sulfa/TMP R 4.1 10.8 0.9 4.6 S. schleiferi
Tetracyclines R + I 10.6 19 3 8 S. schleiferi
Fluoroquinolones R 11.9 27.5 2.7 10.3 S. aureus
Fluoroquinolones R + I 14 51.3 0 9 S. aureus
Fusidic acid R + I 11.6 74.4 5 17.5 S. aureus
Gentamicin R 7.4 35.3 0 11.5 S. aureus
Gentamicin R + I 15.2 74.4 0 14.7 S. aureus
Lincosamides R 15.5 55.6 1.5 18.4 S. aureus
Lincosamides R + I 28.8 100 23 20.4 S. aureus
Methicillin R 17.8 36.4 0 8.7 S. aureus
Sulfa/TMP R 13.6 100 0 17.7 S. aureus
Tetracyclines R 19.9 38.2 9.4 11.1 S. aureus
Tetracyclines R + I 26.8 60 10 5.4 S. aureus