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Table 3 Different combinations of SFC and PTC. ARC, aseptic revision case; FRI, fracture-related infection; PFRI, possible fracture-related infection; PTC, peri-implant tissue culture; SFC, sonicate fluid culture

From: Sonication in the diagnosis of fracture-related infections (FRI)—a retrospective study on 230 retrieved implants

  Overall FRI ARC PFRI
SFC (+) PTC (-) 38 9 29 29
SFC (+) PTC (+) Ca 63 63 0  
SFC (+) PTC (+) Db, addc SFC 6 6 0  
SFC (+) PTC (+) D, add PTC 11 11 0  
SFC (+) PTC (+) D, diffd 12 8 4 4
SFC (-) PTC (-) 88 8 80 62
SFC (-) PTC (+) 12 2 10 10
  1. aC, concordant
  2. bD, discordant
  3. cAdd, additional pathogen detected by (either SFC or PTC)
  4. dDiff, different pathogens