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Table 3 Multivariate analysis of factors influencing the acquisition of carbapenemase-producing enterobacteriaceae

From: Infection control and risk factors for acquisition of carbapenemase-producing enterobacteriaceae. A 5 year (2011–2016) case-control study

Variable AORa 95% IC P
LOSb ≥ 20 days 4.9 1.4–15.5.1 <  0.01
Hospital stay in the previous yearc 22.3 3.9–88.4 <  0.001
Contact with healthcare system of high-risk countryd 11.8 2.2–63.2 < 0.01
Antimicrobial therapy ≥10 daysd,e 5.2 1.4–35.9 < 0.05
  1. aAOR: Adjusted Odds ratio; bLOS: Length of stay; cin any hospital, din the previous 3 months; eHealthcare system of countries of high or unknown carbapenem-resistant enterobacteriaceae prevalence.