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Table 2 Quarterly incidence density for the main resistance phenotypes

From: Intensive care antibiotic consumption and resistance patterns: a cross-correlation analysis

Time Resistant strains/1000 patient-days
MRSA ESBL E. coli ESBL K. pneumoniae ESBL P. mirabilis Combined-resistant P. aeruginosa a Carbapenem-resistant P. aeruginosa Carbapenem-resistant A. baumannii
Quarter I 2012 8.94 0.53 7.89 3.68 1.05 2.10 7.36
Quarter II 2012 4.53 0.91 5.89 3.17 0.00 0.00 4.53
Quarter III 2012 10.57 1.38 10.57 5.97 3.68 4.14 7.81
Quarter IV 2012 4.13 2.29 8.26 5.05 0.92 1.38 6.42
Quarter I 2013 8.76 0.92 2.77 2.77 3.23 3.69 7.84
Quarter II 2013 7.60 0.95 5.23 3.33 2.85 3.80 5.70
Quarter III 2013 5.02 1.83 7.76 1.83 5.48 5.48 5.02
Quarter IV 2013 10.41 1.74 8.68 4.34 6.51 6.94 6.51
  1. aResistance to three or more antimicrobial groups among ceftazidime, antipseudomonas penicillins, fluoroquinolones and aminoglycosides