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Table 4 Baseline characteristics and clinical manifestations of uropathogenic Escherichia coli infection according to phylogenetic group

From: Differences of virulence factors, and antimicrobial susceptibility according to phylogenetic group in uropathogenic Escherichia coli strains isolated from Korean patients

 

Phylogenetic group B2

(n = 276)

Phylogenetic group D

(n = 62)

p value

Age, years

69.43 ± 14.59

69.16 ± 14.13

0.893

Male sex

57 (20.7%)

4 (6.5%)

0.009

Category of UTI

   

 Acute pyelonephritis

269 (97.5%)

61 (98.4%)

0.999*

 Acute prostatitis

8 (2.9%)

2 (3.2%)

0.999*

 Renal abscess

20 (7.2%)

8 (12.9%)

0.144

 Prostatic abscess

4 (1.4%)

0 (0.0%)

0.999*

Category of infection

   

 Community-acquired

192 (69.6%)

52 (83.9%)

0.023

 Healthcare-associated

71 (25.7%)

7 (11.3%)

0.015

 Nosocomial

13 (4.7%)

3 (4.8%)

0.999*

Underlying diseases

   

 Solid tumor

39 (14.1%)

9 (14.5%)

0.937

 Hematologic malignancy

0

0

 

 Chronic liver disease

43 (15.6%)

7 (11.3%)

0.390

 Liver cirrhosis

14 (5.1%)

0 (0.0%)

0.082*

 Cardiovascular disease

75 (27.2%)

16 (25.8%)

0.826

 Hypertension

143 (51.8%)

39 (62.9%)

0.113

 Neurologic disease

98 (35.5%)

19 (30.6%)

0.467

 Chronic renal disease

14 (5.1%)

4 (6.5%)

0.753*

 Diabetes mellitus

101 (36.6%)

32 (51.6%)

0.029

 Chronic lung disease

28 (10.1%)

7 (11.3%)

0.789

 Solid organ transplantation

2 (0.7%)

0 (0.0%)

0.999*

Predisposing factors

   

 Pregnancy

1 (0.4%)

0 (0.0%)

0.999*

 Neurogenic bladder

24 (8.7%)

5 (8.1%)

0.873

 BPH or uterine prolapse

26 (9.4%)

2 (3.2%)

0.110

 Urogenic anomaly

4 (1.4%)

0 (0.0%)

0.999*

 Nephrectomy state (one kidney)

3 (1.1%)

1 (1.6%)

0.557*

 Neutropenia

0

0

 

 Previous genitourinary surgery or procedure within 72 h

0

0

 

 Recurrent UTI

32 (11.6%)

6 (9.7%)

0.666

 Presence of urologic devices

1 (0.4%)

0 (0.0%)

0.999*

 Intermittent catheterization

2 (0.7%)

0 (0.0%)

0.999*

 Urinary catheter

23 (8.3%)

3 (4.8%)

0.439*

 Prior antibiotics within 3 months

64 (23.2%)

12 (19.4%)

0.514

Type of UTI

   

 Bacteremic UTI

167 (60.5%)

44 (71.0%)

0.124

 Complicated UTI

57 (20.7%)

4 (6.5%)

0.009

 Severe UTI

94 (34.1%)

21 (33.9%)

0.978

  1. BPH benign prostate hyperplasia, UTI urinary tract infection
  2. *Fisher’s extract test
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Annals of Clinical Microbiology and Antimicrobials

ISSN: 1476-0711

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