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Exhibit 17. Sensitivity and positive predictive values of algorithms alone

 IHVA SLCDH
AlgorithmSNPPVSNPPVSNPPV
rpart10/25 (40%)10/896 (1.1%)2/4 (50%)2/35 (5.7%)6/13 (46.2%)6/77 (7.8%)
Simple13/25 (52%)13/1100 (1.2%)2/4 (50%)2/106 (1.9%)5/13 (38.5%)5/157 (3.2%)
Inclusive21/25 (84%)21/7250 (0.3%)2/4 (50%)2/184 (1.1%)11/13 (84.6%)11/381 (2.9%)

IH = Intermountain Health. VA SLC = VA Salt Lake City Health Care System. DH = Denver Health. rpart = algorithm developed using recursive partitioning. SN = sensitivity. PPV = positive predictive value.

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Page last reviewed December 2012
Internet Citation: Exhibit 17. Sensitivity and positive predictive values of algorithms alone. December 2012. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/ssi/ssiexh17.html