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Table 1 Causative organisms of all episodes of bacteraemia compared by study periods

From: Bloodstream infections in patients with malignancies: implications for antibiotic treatment in a Ghanaian tertiary setting

Isolates

Period 1

Period 2

p value for X2 trend

Total

2010 (n = 18)

2011 (n = 30)

Total

2012 (n = 33)

2013 (n = 12)

Gram negatives (n = 49)

a25

a11a

a14a

a24

a19a

a5a

0.504

 Enterobacteriaceae (n = 32)

16

8a

8a

16

12a

4a

0.658

  Escherichia coli (n = 8)

5

3

2

3

1

2

0.469

  Klebsiella pneumoniae (n = 3)

0

0

0

3

3

0

0.442

  Citrobacter species (n = 12)

8

4

4

4

4

0

0.071

  Enterobacter species (n = 7)

1

0

1

6

4

2

0.058

  Providencia species (n = 1)

1

0

1

0

0

0

0.329

  Salmonella typhimurium (n = 1)

1

1

0

0

0

0

0.045

 Acinetobacter species (n = 7)

3

3

0

4

4

0

0.314

 Pseudomonas aeruginosa (n = 10)

6

0

6

4

3

1

0.896

Gram positives (n = 40)

a22

b7a

a15a

18a

a12a

a6a

0.896

  Enterococcus species (n = 2)

1

1

0

1

1

0

0.881

  Staphylococcus aureus (n = 4)

3

1

2

1

1

0

0.241

  Staphylococcus epidermidis (n = 28)

16

5

11

12

8

4

0.738

  Streptococcus species (n = 6)

2

0

2

4

2

2

0.184

Fungi (n = 4)

       

  Candida albicans (n = 4)

b1

b0a

b1a

b3a

b2a

b1a

0.325

  1. Numbers with differing superscripts and subscripts within columns and rows, respectively, are significantly different at the p < 0.05
  2. X 2 Chi-square linear trend test with Mantel–Haenszel statistic, Period 1 first study period, Period 2 second study period