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Exhibit 11. Performance on SSI types using test set

 Total SurgeriessSSIdSSIoSSI
Total27,7392797533
 Surgeries Flagged# Caught (Sensitivity)
Rpart Algorithm2034 (7.3%)126 (45.2%)54 (72.0%))25 (75.8%)
Inclusive Algorithm8,685 (31.3%)251 (90.0%)75 (100%)30 (90.9%)
Simple5318 (19.2%)230 (82.4%)68 (90.7%)30 (90.9%)

SSI = surgical site infection. sSSI = superficial SSI. dSSI = deep SSI. oSSI = organ-space SSI. Inclusive algorithm looks for any high-normal value. Rpart algorithm refers to the algorithm derived using the Rpart procedure. ( ) = percentage of total

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Current as of December 2012
Internet Citation: Exhibit 11. Performance on SSI types using test set. December 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/ssi/ssiexh11.html