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Table 2 The trend of prevalence of AMR during 2008 to 2015

From: Japan nosocomial infections surveillance (JANIS): a model of sustainable national antimicrobial resistance surveillance based on hospital diagnostic microbiology laboratories

Type of AMR 2008 2009 2010 2011 2012 2013 2014 2015
Methicillin-resistant Staphylococcus aureus 10.46% 10.01% 9.43% 8.77% 8.06% 7.48% 6.91% 6.64%
Vancomycin-resistant Enterococci 0.03% 0.05% 0.05% 0.03% 0.02% 0.02% 0.02% 0.02%
Penicillin-resistant Streptococcus pneumoniae 1.31% 1.29% 1.38% 1.15% 0.89% 0.79% 0.69% 0.64%
Multidrug-resistant Pseudomonas aeruginosa 0.23% 0.18% 0.18% 0.18% 0.14% 0.12% 0.09% 0.07%
Multidrug-resistant Acinetobacter spp. 0.00% 0.00% 0.01% 0.01% 0.01% 0.01% 0.01% 0.01%
Carbapenem-resistant Enterobacteriaceae ND ND ND ND ND ND 0.49% 0.36%
Carbapenem-resistant Pseudomonas aeruginosa 1.45% 1.30% 1.26% 1.26% 1.09% 0.98% 0.88% 0.84%
3rd generation cephalosporin-resistant Klebsiella pneumoniae 0.17% 0.18% 0.19% 0.24% 0.24% 0.23% 0.33% 0.32%
3rd generation cephalosporin-resistant Escherichia coli 0.62% 0.70% 0.86% 1.14% 1.30% 1.40% 1.82% 1.99%
Fluoroquinolone-resistant Escherichia coli 1.79% 1.88% 2.15% 2.52% 2.87% 3.12% 3.35% 3.70%
Patients for whom samples were submitted 930,861 1,056,555 1,069,216 1,309,993 1,453,969 1,584,041 1,747,538 2,551,541