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Table 1 Ratios used to estimate the incidence of cases of non-invasive infections, France 2012

From: Estimating the morbidity and mortality associated with infections due to multidrug-resistant bacteria (MDRB), France, 2012

Body sites PPS ratio Ratios from the literature
Low value High value
No. MRSA urinary tract infections/No. MRSA invasive infections 0.98 [7] 0.75 [11] 2.30 [12]
No. MRSA respiratory infections/No. MRSA invasive infections 2.37 [7] 1.25 [11] 2.50 [12]
No. MRSA skin and soft tissue infections and surgical site infections/No. MRSA invasive infections 4.17 [7] 4.90 [12] 5.25 [11]
No. MRSA bone and joint infections/No. MRSA invasive infections 0.79 [7] b 1.38 [12]
No. GRE urinary tract infections/No. GRE invasive infections 4.33 [7] 2.33 [13] 3.44 [14]
No. GRE gastrointestinal tract infections /No. GRE invasive infections 2.65 [7] 1.89 [14] b
No. GRE skin and soft tissue infections and surgical site infections/No. GRE invasive infections 1.46 [7] 4.67 [14] 5.00 [13]
No. 3GC-R E. coli urinary tract infections/No. 3GC-R E. coli invasive infections 5.50 [7] 2.30 [13] b
No. 3GC-R E. coli respiratory tract infections/No. 3GC-R E. coli invasive infections 1.08 [7] b 2.50 [13]
No. 3GC-R E. coli skin and soft tissue infections and surgical site infections/No. 3GC-R E. coli invasive infections 1.37 [7] b 4.90 [13]
No. 3GC-R K. pneumoniae urinary tract infections/No. 3GC-R K. pneumoniae invasive infections 2.90 [7] 1.19 [15] 2.30 [13]
No. 3GC-R K. pneumoniae respiratory tract infections/No. 3GC-R K. pneumoniae invasive infections 2.55 [7] 1.19 [15] 2.50 [13]
No. 3GC-R K. pneumoniae skin and soft tissue infections and surgical site infections/No. 3GC-R K. pneumoniae invasive infections 0.82 [7] 0.33 [15] 4.90 [13]
No. CR K. pneumoniae urinary tract infections/No. CR K. pneumoniae invasive infections 2.71 [7] 3.00 [16] 3.10 [17]
No. CR K. pneumoniae respiratory tract infections/No. CR K. pneumoniae invasive infections 3.10 [7] 0.42 [17] 1.60 [16]
No. CR K. pneumoniae skin and soft tissue infections and surgical site infections/No. CR K. pneumoniae invasive infections 0.44a 0.28 [17] 0.60 [16]
No. CR P. aeruginosa urinary tract infections/No. CR P. aeruginosa invasive infections 2.11 [7] b 11.30 [15]
No. CR P. aeruginosa respiratory tract infections/No. CR P. aeruginosa invasive infections 10.99 [7] b 16.00 [15]
No. CR P. aeruginosa skin and soft tissue infections and surgical site infections/No. CR P. aeruginosa invasive infections 3.07 [7] b 4.67 [15]
No. CR Acinetobacter urinary tract infections/No. CR Acinetobacter invasive infections 0.58a 0.32 [18] 0.83 [17]
No. CR Acinetobacter respiratory tract infections/No. CR Acinetobacter invasive infections 4.64 [7] 1.21 [18] 3.83 [17]
No. CR Acinetobacter skin and soft tissue infections and surgical site infections/No. CR Acinetobacter invasive infections 0.73a 0.29 [18] 1.17 [17]
  1. ano 2012 PPS data for these infections because the prevalence of these MDRB is too low in France; the ratio value applied is the mean value of the 2 ratios from the literature
  2. bno data in the literature for these infections; the value of the 2012 PPS ratio was applied