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Table 5 Statistical analysis of microbiological parameters

From: Microbiological study of sternal osteomyelitis after median thoracotomy – a retrospective cohort study

 

Monomicrobial infection

Polymicrobial infection

p-value

Length of total antibiotic treatment

44.75 ± 25.87

61.29 ± 41.45

0.067

Hospital stay

29.93 ± 13.68

37.47 ± 19.18

0.028

Days until muscle flap coverage

9.24 ± 6.12

10.24 ± 7.19

0.58

Number of surgeries

2.07 ± 1.43

2.16 ± 1.5

0.89

Number of biopsies

4.42 ± 3.08

3.68 ± 1.97

0.54

Number of wound swabs

3.44 ± 1.98

5.58 ± 5.43

0.43

 

Pathogen growth

No pathogen growth

 

Number of biopsies

4.24 ± 2.22

2.18 ± 1.55

< 0.001

Number of wound swabs

4.22 ± 3.34

2.4 ± 1.45

0.006

 

Staphyloccocus epidermidis

Other bacteria

 

Number of biopsies

4.22 ± 1.99

3.62 ± 2.38

0.05

 

Staphylococcus aureus

Other bacteria

 

Number of wound swabs

4.76 ± 2.79

3.48 ± 3.28

0.01

 

Enterococcus spp.

Other bacteria

 

Number of wound swabs

6.4 ± 5.91

3.58 ± 2.51

0.05