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
Antimicrobial therapy ≥10 daysd,e
5.2
1.4–35.9
< 0.05