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Table 2 (including HA-VRE from screening and clinical specimen). Results of multivariable analysis for hospital-acquired VRE cases with antibiotic use by antibiotic group (ATC-code 5-digit)

From: The effect of antibiotic use on prevalence of nosocomial vancomycin-resistant enterococci- an ecologic study

Parameter/category IRR 95% CI p-value
Ward
 Medical ward 1 = reference   
 Hematological/oncological ward 4.90 1.8–13.3 0.002
 Intensive care unit 5.97 2.83–12.60 <.0001
 Surgical ward 1.25 0.59–2.63 0.554
At least one patient with community-acquired VRE on ward in the current month 1.69 1.32–2.16 <.0001
Screening of all patients on admission irrespective of underlying risk factors (1 = yes) 2.27 1.01–5.08 0.047
Carbapenem (J01DH) use in the current month (per 1 DDD/100 patient-days) 1.01 1.00–1.02 0.01
Glycopetide (J01XA) use in the previous month (per 1 DDD/100 patient-days) 1.02 1.01–1.04 0.002
Year 2015 (compared to 2014) 1.45 1.17–1.79 <.0001
  1. DDD Defined daily dose; IRR Incidence rate ratio; CI Confidence interval
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