Table 5 Univariate analysis of patient variables for acquisition of multidrug-ressitant (MDR) Acinetobacter baumannii (A. baumannii) infection

Sex

 Male

36

219

0.11

–

–

–

Nationality

 Local

27

249

0.076

1.67

0.94–2.96

0.078

Age (years), mean±SD

44.3 ± 16.4

43.1 ± 17.4

0.629

–

–

–

Length of stay (days), mean±SD

45.8 ± 43.8

12.3 ± 8.7

<0.001

1.10

1.07–1.13

<0.001

TBSA group

 I

8

269

–

–

–

–

 II

6

79

0.14

2.55

0.86–7.58

0.091

 III

17

33

<0.001

17.32

6.94–43.24

<0.001

 IV

22

7

<0.001

105.68

35.05–318.60

<0.001

 V

1

10

<0.001

3.36

0.38–29.53

0.274

Intubation

26

42

<0.001

7.87

4.23–14.66

<0.001

Number of surgeries, mean±SD

3.4 ± 4.8

1.4 ± 1.9

0.03

1.23

1.11–1.35

<0.001

Prior infection

  A. baumannii

5

32

0.79

–

–

–

 MRSA

9

36

0.79

–

–

–

P. aeruginosa

12

68

0.353

–

–

–

Cause of burn

 Scalding

8

132

0.001

0.35

0.16–0.76

0.008

 Flame

8

81

–

0.68

0.31–1.50

0.339

 Blast

14

40

–

3.13

1.57–6.25

0.001

 Others

24

145

–

1.40

0.79–2.48

0.255

Days to admission (days), mean±SD

2.6 ± 5.7

4.9 ± 15.8

0.032

0.963

0.91–1.02

0.196