Table 1 Epidemiological variables and infection types

Age, mean (SD), years

64.6 (18.2)

65.0 (19.3)

64.8 (13.5)

Male sex n, (%)

114 (62.6)

89 (61.8)

25 (65.8)

Type of infection n, (%)

Intra-peritoneal infections

74 (40.7)

59 (41.0)

15 (39.5)

Intra-peritoneal infections after liver transplantation

13 (7.1)

4 (2.8)

9 (23.7)

Urinary tract infections

29 (15.9)

29 (20.1)

0 (0.0)

Febrile neutropenia

16 (8.8)

11 (7.6)

5 (13.2)

Bone and soft-tissue infections

17 (9.3)

14 (9.7)

3 (7.9)

Blood stream infections

20 (11.0)

15 (10.4)

5 (13.2)

Pulmonary infections

10 (5.5)

10 (6.9)

0 (0.0)

Vascular grafts infections

3 (1.6)

2 (1.4)

1 (2.6)

Comorbidity n, (%)

Cancer and hematologic malignancy

65 (35.7)

57 (39.6)

8 (21.1)

Hematologic malignancy

22 (12.1)

14 (9.7)

8 (21.1)

Solid organ transplantation

19 (10.4)

10 (6.9)

9 (23.7)

Bone marrow and stem cell transplantation

9 (4.9)

3 (2.1)

6 (15.8)

Diabetes mellitus

14 (7.7)

12 (8.3)

2 (5.3)

Collagen vascular disease

12 (6.6)

9 (6.3)

3 (7.9)

Chronic kidney disease

53 (29.1)

40 (27.8)

13 (34.2)

Structural abnormality of urinary tract

22 (12.1)

21 (14.6)

1 (2.6)

Hemodialysis

12 (6.6)

10 (6.9)

2 (5.3)

Antimicrobial therapy n, (%)

Vancomycin

48 (26.4)

26 (18.1)

22 (57.9)

Linezolid

13 (7.1)

3 (2.1)

8 (21.1)

Teicoplanin

14 (7.7)

6 (4.2)

8 (21.1)

Meropenem

37 (20.3)

37 (25.7)

0 (0.0)

Imipenem/cilastatin

15 (8.2)

15 (10.4)

0 (0.0)

Biapenem

2 (1.1)

2 (1.4)

0 (0.0)

Doripenem

9 (4.9)

9 (6.3)

0 (0.0)

Piperacillin

10 (5.5)

10 (6.9)

0 (0.0)

Tazobactam/piperacillin

18 (9.9)

18 (12.5)

0 (0.0)

Ampicillin

2 (1.1)

2 (1.4)

0 (0.0)

Sulbactam/ampicillin

6 (3.3)

6 (4.2)

0 (0.0)

Levofloxacin

21 (11.5)

21 (14.6)

0 (0.0)

Ciprofloxacin

3 (1.6)

3 (2.1)

0 (0.0)

Tosufloxacin

1 (0.5)

1 (0.7)

0 (0.0)

Combination therapy

18 (9.9)

18 (12.5)

0 (0.0)

Culture-positive specimens n, (%)

Urine

32 (17.6)

27 (18.8)

1 (2.6)

Sputum

9 (4.9)

9 (6.3)

0 (0.0)

Blood

37 (20.3)

25 (17.4)

6 (15.8)

Peritoneal fluid

32(17.6)

24 (16.7)

8 (21.1)

Pleural fluid

1 (0.5)

1 (0.7)

0 (0.0)

Bile

16 (8.8)

10 (6.9)

6 (15.8)

Discharge from abscess

45(24.7)

37 (25.7)

8 (21.1)

Central venous catheter tip

4 (2.2)

4 (2.8)

0 (0.0)

Throat swab

5 (2.7)

4 (2.8)

1 (2.6)

Vascular graft

3 (1.6)

2 (1.4)

1 (2.6)

Polymicrobial culture

83 (45.6)

70 (48.6)

13 (34.2)