Table 1 Baseline characteristics of patients colonized with VRE matched with patients without VRE colonization (control group)

Demographic variables, n (%)

Gender

Female

74 (44.6)

37 (44.6)

37 (44.6)

1.000

ref.

Male

92 (55.4)

46 (55.4)

46 (55.4)

0.31 (0.54–1.84)

1.000

Age, median, IQR

23.6. 21.3–25.7

23.6. 21.8–26.0

23.7. 21.1–25.6

0.743

0.99 (0.97–1.01)

0.742

BMI, mean ± SD

24.4 ± 4.7

23.4 ± 4.5

24.5 ± 4.9

0.875

0.99 (0-93-1.06)

0.874

Leukemia

109 (65.7)

54 (65.1)

55 (66.3)

0.87

0.97 (0.70–1.34)

0.87

Lymphoma

44 (26.5)

24 (28.9)

20 (24.1)

0.482

1.13 (0.80–1.59)

0.482

Hematological disease stage

≤ III

18 (10.8)

10 (12)

8 (9.6)

0.729

ref.

> III

28 (16.9)

17 (20.5)

11 (13.3)

1.23 (0.37–4.10)

0.729

Charlson Comorbity Index, mean ± SD (range)

5.3 ± 2.3

5.2 ± 2.3

5.4 ± 2.4

0.674

0.97 (0.85–1.10)

0.673

(1–13)

(1–12)

(1–13)

Admission characteristics and provenance:

Prior hospitalization (≤ 6 months)

72 (43.4)

49 (59.0)

23 (27.7)

< 0.001

3.75 (1.96–7.20)

< 0.001

Current hospitalization days, mean ± SD (range)

36.0 ± 28.1

40.7 ± 31.9

31.2 ± 22.7

0.028

1.01 (1.00-1.02)

0.036

(1-259)

(1-115)

Current hospitalization (prior to colonization), days, mean ± SD (range)

21.8 ± 27.5

21.8 ± 27.5

-

-

-

-

(1-245)

(1-245)