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Table 1 Relationship between hypermucoviscosity phenotype of K. pneumoniae and clinical characteristics

From: Clinical and molecular characteristics of Klebsiella pneumoniae ventilator-associated pneumonia in mainland China

 

Hypermucoviscosity

 

Characteristic

Positive

Negative

P value

n = 14

n = 29

No. (%)

No. (%)

Age mean ± SD

64 ± 14

53 ± 15

0.613

Male sex

11 (78.6)

21 (72.4)

0.665

Underlying disease

 Diabetes mellitus

3 (21.4)

2 (6.8)

0.376

 Malignancy

1 (7.1)

1 (3.4)

1.000

 Neurologic disorders

6 (42.9)

13 (44.8)

0.903

 Trauma

1 (7.1)

5 (17.2)

0.670

 Chronic lung disease

1 (7.1)

1 (3.4)

1.000

 Cardiac-cerebrovascular disease

12 (85.7)

16 (55.1)

0.049*

ICU stay, days

14 ± 6

13 ± 5

0.452

Mechanical ventilation, days

8 ± 4

6 ± 3

0.141

Bacteremia

5(35.7)

1 (3.4)

0.017*

Mortality

8 (57.1)

4 (13.8)

0.009*

  1. Values given as means ± SD or No. (%) of patients
  2. * P < 0.05 was considered to be statistically significant