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Table 7 Univariate analysis of patient variables for positive blood culture

From: Burns infection profile of Singapore: prevalence of multidrug-resistant Acinetobacter baumannii and the role of blood cultures

 

Blood culture

Univariate analysis

Variables

Positive (n = 34)

Negative (n = 139)

p value

OR

95 % CI

p value

Age (years), mean±SD

38.1 ± 15.8

46.1 ± 16.0

0.010

0.97

0.94–0.99

0.011

Sex, n

      

 Male

26

88

0.147

1.89

0.79–4.47

0.151

Nationality, n

      

 Local

13

82

0.029

0.43

0.20–0.93

0.032

 Foreigner

21

57

–

2.32

1.08–5.02

 

TBSA, n

      

 I

2

61

<0.001

–

–

–

 II

0

33

<0.001

0

0

0.998

 III

11

31

0.220

10.82

2.26–51.89

0.003

 IV

20

8

<0.001

76.25

14.94–389.10

<0.001

 V

1

6

0.720

5.08

0.40–64.63

0.210

Cause, n

      

 Flame

15

29

0.029

3.00

1.36–6.61

0.007

 Scalding

4

39

–

0.34

0.14–1.72

0.057

 Blast

6

28

–

0.85

0.32–2.25

0.743

 Others

9

43

–

0.80

0.35–1.87

0.611

MDR A. baumannii positive, n

18

30

0.001

4.09

1.86–8.97

<0.001

Length of stay, day

18.3 ± 16.3

53.9 ± 48.2

<0.001

1.05

1.03–1.07

<0.001

Days to admission, day

2.1 ± 4.3

2.5 ± 5.4

0.619

0.98

0.90–1.07

0.664

Days to first surgery, day

4.6 ± 6.9

5.5 ± 7.6

0.658

0.98

0.92–1.05

0.535

Number of surgeries

1.8 ± 1.8

6.2 ± 1.1

<0.001

1.44

1.22–1.70

<0.001

  1. OR odds ratio, CI confidence interval, TBSA total body surface area, I TBSA burn < 10 %, II 10 % ≤ TBSA burn < 20 %, III 20 % ≤ TBSA burn < 40 %, IV TBSA burn ≥ 40 %, V inhalational injury, MDR A. baumannii multidrug-ressitant Acinetobacter baumannii
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Burns & Trauma

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