Table 4: Characterization and comparison of the gram-negative bacteria individual’s results.

Bacteria

Resistant

 

Sensitive

 

P value*

 

n

%

n

%

 

Acinetobacter baumannii/haemolyticus

41

75,93

13

24,07

< 0,001

            Burkholderia P. cepacia           

4

50,00

4

50,00

0,273

Citrobacter freundii

6

35,29

11

64,71

0,094

E. coli

47

61,84

29

38,16

0,049

Enterobacter cloacae

15

68,18

7

31,82

0,041

Klebsiella pneumoniae

60

85,71

10

14,29

< 0,001

Morganella morganii

30

54,55

25

45,45

0,590

Proteus mirabilis

32

44,44

40

55,56

0,410

Proteus sp

5

62,50

3

37,50

0,219

Proteus vulgaris

22

53,66

19

46,34

0,755

Providencia stuartii

4

44,44

5

55,56

0,245

Pseudomonas aeruginosa

56

65,12

30

34,88

0,007

Serratia marcescens

7

38,89

11

61,11

0,121

Serratia marcescens (First sample)

3

37,50

5

62,50

0,219

Serratia marcescens (Second sample)

3

42,86

4

57,14

0,273

(*) Binomial test (statistically significant if p < 0,05).