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Table 3 Difference in sensitivity pattern of frequently isolated Gram negative rods during two halves of study period.

From: Emergence of Carbapenem resistant Gram negative and vancomycin resistant Gram positive organisms in bacteremic isolates of febrile neutropenic patients: A descriptive study

(a)

          
 

Enterobacteriaceae

Pseudomonas. aeruginosa

 

Period 1

Period II

 

Period I

Period II

 
 

n = 55

%

n = 212

%

P-value

n = 15

%

n = 34

%

P-value

Amikacin

6

10.9

35

16.5

0.305

0

0

4

11.8

0.298 #

Amox/clav

25

45.5

102

48.1

0.725

NT

NT

NT

NT

-

Ceftriaxone

13

23.6

118

55.7

< 0001*

NT

NT

NT

NT

-

Ciprofloxacin

15

27.3

105

49.5

0.003 *

2

13.3

10

29.4

0.298 #

Tazocin

0

0

24

11.3

0.006 *

0

0

4

11.8

0.298 #

Imipenem

0

0

0

0

-

0

0

2

5.9

0.999 #

Ceftazidime

NT

NT

NT

NT

-

1

6.7

2

5.9

0.999 #

(b)

          
 

Pseudomonas species

Acinetobactor

 

Period 1

Period II

 

Period 1

Period II

 
 

n = 8

%

n = 29

%

p-value

n = 6

%

n = 52

%

p-value

Amikacin

4

50.0

12

41.4

0.705 #

1

16.7

27

51.9

0.195 #

Amox/clavilunate

NT

NT

NT

NT

-

NT

NT

NT

NT

-

Ceftriaxone

0

0

7

24.1

0.308 #

0

0

39

75.0

0.001 #*

Ciprofloxacin

1

12.5

7

24.1

0.655 #

0

0

33

63.5

0.004 #*

Pipracillin/Tazobactam

0

0

2

6.9

0.999 #

0

0

34

65.4

0.003 #*

Imipenem

0

0

6

20.7

0.305 #

0

0

34

65.4

0.003 #*

Ceftazidime

NT

NT

NT

NT

-

NT

NT

NT

NT

-

  1. p-values calculated by Chi square test otherwise indicated
  2. # p-value calculated by Fisher exact test
  3. * p < 0.05
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BMC Infectious Diseases

ISSN: 1471-2334

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