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Table 3 Comparison of bacteriology of PJI cases in the cohorts

From: The application of close incisional negative pressure wound therapy in revision arthroplasty among asian patients: a comparative study

 

ciNPWT(%)

Control(%)

P-value

Culture negative PJI

44%

30%

0.362

Culture positive PJI

56%

70%

0.362

Among Culture positive PJI

  • Methicillin sensitive Staphylococcus aureus

69.2%

78.6%

0.454

  • Streptococcus

15.4%

0%

0.222

  • Diphtheroids

7.7%

7.1%

0.741

  • Other organism

7.7%

14.3%

0.529

  • Antibiotic resistant organism eg MRSA, ESBL E-coli, VRSA

0%

0%

1.000

  • With gram positive Bacteria a

92.3%

100%

0.481

  • With gram negative Bacteria a

15.4%

7.1%

0.471

  • MSSA

69.2%

78.6%

0.454

  • Non-MSSA

30.8%

21.4%

0.454

  • PJI with positive culture of 1 bacteria

92.3%

92.9%

0.741

  • PJI with positive culture >  = 2 bacteria

7.7%

7.1%

0.741

  1. MRSA Methicillin-resistant Staphylococcus aureus, ESBL E-coli Extended Spectrum Beta-Lactamase Escherichia coli, VRSA Vancomycin-resistant Staphylococcus aureus, MSSA Methicillin sensitive Staphylococcus aureus
  2. aNot add up to 100% because the culture results could have 2 bacteria, one gram positive and one gram negative