Improving the Measurement of Surgical Site Infection Risk Stratification/Outcome Detection

Exhibit 16. The rpart algorithm alone—sensitivity by surgical procedure type

  DH IH VA SLC VVMC
  TP FN SN TP FN SN TP FN SN TP FN SN
CABG NA NA NA 4 4 50.0% 0 0 NA 0 0 NA
HERNIA 3 3 50.0% 0 0 NA 1 0 100.0% 0 1 0.0%
THA 1 3 25.0% 3 5 37.5% 0 2 0.0% 0 1 0.0%
TKA 2 1 66.7% 2 7 22.2% 1 0 100.0% 0 1 0.0%

DH = Denver Health, IH = Intermountain Health, VA SLC = VA Salt Lake City Healthcare System, VVMC = Vail Valley Medical Center, CABG = coronary artery bypass grafting, HERNIA = herniorrhaphy, THA = total hip arthroplasty, TKA = total hip arthoplasty, NA = not applicable, TP = true positive, FN = false negative, SN = sensitivity

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Page last reviewed December 2012
Internet Citation: Exhibit 16. The rpart algorithm alone—sensitivity by surgical procedure type. December 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/ssi/ssiexh16.html