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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