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Table 1 Characteristics of patients infected with carbapenem-resistant P. aeruginosa and carbapenem-susceptible P. aeruginosa

From: Epidemiology of carbapenem non-susceptible Pseudomonas aeruginosa isolates in Eastern Algeria

Variable

CRPA (n = 15)

CSPA (n = 65)

p-value

Age-years

   

Mean

47.54 ± 12.7

47.45 ± 20.88

0.5

Gender–n (%)

   

Female

5(33.34)

27(41.53)

0.57

Male

10(66.66)

38(58.46)

0.60

Sexe-ratio

0.5

0.68

 

Duration of hospitalization-days

82.5 ± 45.82

63.44 ± 48.82

0.04

Ward

   

Otorhinolaryngology

0

15(23.07)

0.06

Endocrinology

9(60)

36(53.85)

0.74

ICU-surgery

3(20)

6(9.23)

0.36

ICU-medecin

0

4(6.15)

1

Outpatient

3(20)

4(6.15)

0.12

Source

   

Diabetic ulcers

9(60)

47(70.76)

0.34

Urine

4(26.66)

5(7.7)

0.08

Blood

1(6.66)

0

0.18

Aspiration tracheal

1(6.66)

13(20)

0.45

Coexisting diseases

   

Trauma

3(20)

6(9.23)

0.36

Diabetes mellitus

7(46.66)

35(53.85)

0.5

Otitis

0

7(10.77)

0.03

Respiratory disease

0

4(6.15)

1

Renal disease

0

2(3.07)

1

Other

0

6(9.23)

0.5

Previous antibiotics use

11(73.34)

59(90.76)

0.03

Cephalosporin (third-generation)

10(66.67)

44(67.69)

1

Aminoglycoside

1(6.66)

12(18.46)

0.4

Fluroquinolone

0

2(3.07)

1

Without antibiotic therapy

4(26.66)

7(10.77)

0.2

Invasive devices

3(20)

12(18.46)

1

Urinary catheter

3(20)

2(3.07)

0.04

Intubation

0

5(7.7)

0.5

Intubation + urinary catheter

0

5(7.7)

0.5

Polymicrobial infection

9(60)

33(50.77)

0.5

K. pneumoniae

1(6.66)

1(1.53)

0.3

S. aureus

5(33.34)

6(9.23)

0.01

E. coli

2(13.33)

8(12.30)

1

S. aureus + E. coli

1(6.66)

4(6.15)

1

S. aureus + P. mirabilis

0

10(15.38)

0.19

S. aureus + K. pneumoniae

0

3(4.61)

1

Mortality

2(13. 33)

1(1.53)

0.09

  1. CRPA:carbapenem-resistant P. aeruginosa, CSPA: carbapenem-susceptible P. aeruginosa