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Table 2 Microbiological profiles from positive culture results from superficial swabs collected prior to surgery and marginal bone chips collected intra-operatively

From: Routine bacterial culture of proximal bone specimens during minor amputation in patients with diabetes-related foot infections has little clinical utility in predicting re-operation or ulcer healing

 

Swabs (90)

Bone chips (89)

P-value

Any Staphylococcus

60

45

0.17

   MSSA

58

28

 

   MRSA

1

7

 

   S.lugdunensis

1

4

 

   CoNS

0

7

 

Any beta-haemolytic streptococci

35

25

0.42

   Group B

19

18

 

   S. anginosus

9

6

 

   S. dysgalactiae

4

1

 

   S. pyogenes

3

0

 

Pseudomonas

6

3

0.30

ESCAPPM/Stenotrophomonas/ESBL

7

14

0.005

Coliforms

4

18

< 0.0001

Enterococcus

1

11

< 0.0001

  1. MSSA methicillin-susceptible Staphylococcus aureus; MRSA methicillin-resistant Staphylococcus aureus; CoNS Coagulase negative Staphylococcus; ESCAPPM gram-negative organisms with chromosomally mediated inducible beta-lactamase activity; ESBL Extended spectrum beta lactamase