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Table 2 Antibiotic use within six months prior to detection of VREfm in the study population

From: Epidemiological and genetic characteristics of vancomycin-resistant Enterococcus faecium isolates in a University Children's Hospital in Germany: 2019 to 2020

 

All patients

(n = 33)

VREfm-colonised patients

(n = 26)

VREfm-colonised patients with suspected infection

(n = 7)

p value*

Antibiotics total, median (range)

5 (0–14)

5 (0–14)

7 (3–14)

0.150

Antibiotic classes, n (%)

    

Aminoglycosides

5 (15.2)

5 (19.2)

0 (0.0)

0.559

Beta-lactam/beta-lactamase inhibitor

22 (66.7)

16 (61.5)

6 (85.7)

0.378

Carbapenems

16 (48.5)

10 (38.5)

6 (85.7)

0.039

First-generation cephalosporins

3 (9.1)

3 (11.5)

0 (0.0)

1.000

Fluoroquinolones

1 (3.0)

0 (0.0)

1 (14.3)

0.212

Glycopeptides

11 (33.3)

9 (34.6)

2 (28.6)

1.000

Imidazoles

4 (12.1)

3 (11.5)

1 (14.3)

1.000

Macrolides

6 (18.2)

6 (23.1)

0 (0.0)

0.301

Penicillins

12 (36.4)

11 (42.3)

1 (14.3)

0.223

Phosphonics

1 (3.0)

0 (0.0)

1 (14.3)

0.212

Second-generation cephalosporins

8 (24.2)

7 (26.9)

1 (14.3)

0.652

Third-generation cephalosporins

14 (42.4)

13 (50.0)

1 (14.3)

0.195

Trimethoprim/sulfonamide combinations

9 (27.3)

5 (19.2)

4 (57.1)

0.068

Unknown antibiotic class

2 (6.1)

2 (7.7)

0 (0.0)

1.000

Antibiotic groups AWaRe classification†

    

Access Antibiotics, median (range)

1 (0–6)

1 (0–6)

1 (0–3)

0.629

Watch Antibiotics, median (range)

4 (0–13)

3 (0–13)

4 (2–12)

0.120

  1. Signficant values (marked in bold) were defined as p < 0.05
  2. VREfm, Vancomycin-resistant Enterococcus faecium
  3. *Fisher’s exact test or Mann–Whitney U test (p  < 0.05 was considered significant)
  4. †excluding two unknown antibiotics