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Table 2 Uni- and multivariable analyses of factors associated with vancomycin resistance in clinical E. faecium isolates

From: The rise in vancomycin-resistant Enterococcus faecium in Germany: data from the German Antimicrobial Resistance Surveillance (ARS)

 

univariable analysis

multivariable analysis

OR

(95% CI)

p-value

OR

(95% CI)

p-value

Year of sampling

 2012

1.42

(1.12–1.80)

0.004

1.58

(1.16–2.14)

0.004

 2013

1.26

(1.01–1.58)

0.044

1.27

(0.99–1.63)

0.061

 2014

1

–

–

1

–

–

 2015

1.22

(0.98–1.51)

0.072

1.24

(0.99–1.55)

0.060

 2016

1.81

(1.46–2.23)

< 0.001

1.80

(1.45–2.25)

< 0.001

 2017

2.79

(2.26–3.46)

< 0.001

2.74

(2.22–3.39)

< 0.001

Region

 Southwest

1

–

–

1

–

–

 Southeast

0.71

(0.53–0.95)

0.022

0.74

(0.54–1.01)

0.057

 West

0.68

(0.46–1.00)

0.051

0.82

(0.55–1.20)

0.303

 Northwest

0.46

(0.35–0.61)

< 0.001

0.51

(0.36–0.72)

< 0.001

 Northeast

0.43

(0.27–0.67)

< 0.001

0.47

(0.31–0.71)

0.001

Gender

 Female

1

–

–

1

–

–

 Male

0.97

(0.90–1.06)

0.533

1.03

(0.94–1.11)

0.554

Age

 0–19 years

0.38

(0.26–0.58)

< 0.001

0.33

(0.23–0.48)

< 0.001

 20–39 years

0.85

(0.71–1.01)

0.071

0.84

(0.71–0.99)

0.043

 40–59 years

1

–

–

1

–

–

 60–79 years

0.96

(0.82–1.12)

0.626

0.94

(0.83–1.06)

0.324

 80+ years

0.86

(0.67–1.10)

0.234

0.83

(0.69–1.01)

0.062

Specimen (sampling site)

 Blood

1

–

–

1

–

–

 Urine

1.18

(0.92–1.52)

0.20276

1.22

(0.94–1.48)

0.134

 Swab

1.09

(0.78–1.51)

0.62974

0.93

(0.74–1.17)

0.547

 Wound

1.12

(0.93–1.36)

0.22761

1.08

(0.90–1.29)

0.426

 Other

1.04

(0.88–1.23)

0.65102

1.01

(0.85–1.19)

0.952

Hospital care type

 Secondary care

1

–

–

1

–

–

 Tertiary care

1.65

(1.01–2.69)

0.047

1.33

(0.87–2.04)

0.191

 Specialist care

2.53

(1.15–5.56)

0.023

2.37

(1.22–4.60)

0.012

Prevention and rehabilitation care

3.23

(2.42–4.33)

< 0.001

2.39

(1.91–2.98)

< 0.001