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Table 1 Population and the results of bone biopsies

From: Section’s osseous slice biopsy during major amputation of lower extremity: preliminary results of prospective cohort study

 

Variable

Prospective cohort study (n = 69)

Population

Mean age

68.7 (S = 13.6)

Male

35 (50.7 %)

Amputation above the knee

45 (65.2 %)

Of them due to peripheral vascular disease

40/45 (88.9 %)

Diabetics

21 (30.4 %)

Diabetic foot

14 (20.3 %)

Trophic disorders

52 (75.4 %)

Trauma

24 (34.8 %)

Antibiotic-free interval before limb amputation

39 (56.5 %)

SOB

Sterile SOB

52 (75.4 %)

Positive SOB

11 (15.9 %)

Doubful SOB

6 (8.7 %)

Positive + doubtful SOB

17 (24.6 %)

No. of isolates

27

No. of isolates, by pathogen

 

S. aureus

0

Coagulase-negative staphylococci (in all)

9 (33.3 %)

Staphylococcus epidermidis

7

Staphylococcus warneri

1

Staphylococcus cohnii

1

Other gram- positive bacteria

8 (29.6 %)

Gram-negative bacilli

10 (37 %)

Anaerobes

0

Methicillin resistant staphylococci

3/9

SOB and percutaneous bone biopsy of the distal site

Microorganisms identified from SOB were found in the distal infected site

45.5 %

S. aureus

0

Coagulase- negative staphylococci

1/9

Other gram- positive bacteria

2/7

Gram-negative bacilli

3/10

Anaerobes

0

Methicillin resistant staphylococci

0/3