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Table 1 Main characteristics of multidrug-resistant organism carriers with bacteraemia

From: Factors associated with bacteraemia due to multidrug-resistant organisms among bacteraemic patients with multidrug-resistant organism carriage: a case control study

Variable

Non MDR bacteraemia

(n = 46)

MDR bacteraemia

(n = 52)

Odds Ratio

P value

Sex (male)

30 (65.2%)

31 (59.6%)

0.70 [0.35; 1.79]

0.5683

 Recent (<  3 months) trip in zone with high MDRO prevalencea

6 (13.0%)

3 (5.8%)

0.41 [0.10; 1.74]

0.2250

 Prior antimicrobial treatment in last 6 months

28 (60.9%)

38 (73.1%)

1.74 [0.74; 4.09]

0.2004

 Urinary indwelling catheter

19 (41.3%)

23 (44.2%)

1.13 [0.51; 2.51]

0.7704

 Immunosuppression

10 (21.7%)

23 (44.2%)

2.86 [1.17; 6.95]

0.0207

 Severity

7 (15.2%)

19 (36.5%)

3.13 [1.17; 8.36]

0.0232

Primary site of infection

 UTI

10 (21.7%)

15 (28.8%)

1.46 [0.58; 3.67]

0.4218

 Intra abdominal infection

6 (13.0%)

5 (9.6%)

0.71 [0.20; 2.50]

0.5929

 Bone and joint infection

4 (8.7%)

0 (0.0%)

0.00 [0.00; I]

0.9710

 Respiratory tract infection

2 (4.3%)

6 (11.5%)

2.87 [0.55; 14.98]

0.2113

 Skin soft tissue infection

7 (15.2%)

4 (7.7%)

0.46 [0.13; 1.70]

0.2471

 Catheter line associated infcetion

10 (21.7%)

15 (28.8%)

1.46 [0.58; 3.67]

0.4218

 No primary site of infection

5 (10.9%)

7 (13.5%)

1.28 [0.38; 4.33]

0.6965

Colonization MDR pathogen

 Polymicrobial

15 (32.6%)

17 (32.7%)

  

 CRE

1 (2.2%)

2 (3.8%)

  

 ESBL Escherichia coli

23 (50.0%)

17 (32.7%)

0.49 [0.22; 1.09]

0.0814

Klebsiella spp.

18 (39.1%)

25 (48.1%)

1.44 [0.64; 3.22]

0.3738

 ESBL Klebsiella spp.

17 (37.0%)

23 (44.2%)

  

 Carba-R Klebsiella spp.

1 (2.2%)

1 (1.9%)

  

 CASE Klebsiella spp.

0 (0.0%)

1 (1.9%)

  

Citrobacter spp.

1 (2.2%)

2 (3.8%)

1.80 [0.16; 20.53]

0.6360

 ESBL Citrobacter spp.

1 (2.2%)

2 (3.8%)

  

Enterobacter spp.

5 (10.9%)

8 (15.4%)

1.63 [0.45; 5.98]

0.4590

 ESBL Enterobacter spp.

5 (10.9%)

7 (13.5%)

  

 Carba-R Enterobacter spp.

0 (0.0%)

1 (1.9%)

  

Acinetobacter baumanii

2 (4.3%)

3 (5.8%)

0.43 [0.04; 4.92]

0.4984

 ESBL A. baumanii

1 (2.2%)

1 (1.9%)

  

 Carba-R A. baumanii

1 (2.2%)

1 (1.9%)

  

 Cefta-R A. baumanii

0 (0.0%)

1 (1.9%)

  

Pseudomonas aeruginosa

2 (4.3%)

10 (19.2%)

5.24 [1.08; 25.32]

0.0395

 ESBL P. aeruginosa

0 (0.0%)

1 (1.9%)

  

 Carba-R P. aeruginosa

0 (0.0%)

3 (5.8%)

  

 Cefta-R P. aeruginosa

2 (4.3%)

6 (11.5%)

  

 MRSA

11 (23.9%)

15 (28.8%)

1.29 [0.52; 3.19]

0.5814

 VRE

1 (2.2%)

0 (0.0%)

0.88 [0.05; 14.51]

0.9300

Type of infections

 Nosocomial

24 (52.2%)

38 (73.1%)

2.49 [1.07; 5.78]

0.0340

 Cure rate

39 (84.8%)

44 (84.6%)

0.99 [0.33; 2.97]

0.9817

  1. aGeographic area with high incidence of extended-spectrum beta-lactamase-producing bacteria, CRE and VRE: Southern Europe (Spain, Italy, Greece), North Africa and Asia
  2. Carba-R Carbapenem-resistant; CASE Cephalosporinase-producing; Cefta-R Ceftaroline-resistant; CRE Carbapenem-resistant Enterobacteriaceae; ESBL Extended-spectrum beta-lactamase; MDR Multidrug-resistant; MRSA Methicillin-resistant Staphylococcus aureus; VRE Vancomycin-resistant Enterococci
  3. italicised valued are statistically significant