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Volume 10, Number 11—November 2004

Research

Enhanced Identification of Postoperative Infections among Inpatients

Deborah S. Yokoe*Comments to Author , Gary A. Noskin†, Susan M. Cunningham†, Gianna Zuccotti‡, Theresa Plaskett‡, Victoria J. Fraser§, Margaret A. Olsen§, Jerome I. Tokars¶, Steven Solomon¶, Trish M. Perl#, Sara E. Cosgrove#, Richard S. Tilson*, Maurice Greenbaum**, David C. Hooper††, Kenneth E. Sands‡‡, John Tully§§, Loreen A. Herwaldt¶¶, Daniel J. Diekema¶¶, Edward S. Wong##, Michael Climo##, and Richard Platt***
Author affiliations: *Brigham and Women's Hospital, Boston, Massachusetts, USA; †Northwestern University, Chicago, Illinois, USA; ‡Memorial Sloan-Kettering Cancer Center, New York, New York, USA; §Washington University School of Medicine, St. Louis, Missouri, USA; ¶Centers for Disease Control and Prevention, Atlanta, Georgia, USA; #Johns Hopkins Medical Institutions, Baltimore, Maryland, USA; **North Shore Medical Center-Salem Hospital, Salem, Massachusetts, USA; ††Massachusetts General Hospital, Boston, Massachusetts, USA; ‡‡Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA; §§Mount Auburn Medical Center, Cambridge, Massachusetts, USA; ¶¶University of Iowa Carver College of Medicine, Iowa City, Iowa, USA; ##McGuire Veterans Affairs Medical Center, Richmond, Virginia, USA; ***Harvard Pilgrim Health Care, Boston, Massachusetts, USA

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Table A9

Sensitivity and positive predictive value of routine surveillance and antimicrobial exposure screeninga,b

Hospital Sensitivity (%)
 Positive predictive value (%)
Routine surveillance Antimicrobial exposure Diagnosis codes Antimicrobial exposure
and/or diagnosis codes Antimicrobial exposure Diagnosis codes Antimicrobial exposure
and/or diagnosis codes
1A – – – – 0 0 0
1B 83 50 50 50 60 100 60
1C 57 86 43 100 40 75 44
1D – – – – 0 – 0
1E – – – – 0 – 0
1F 100 100 100 100 33 100 33
1G – – – – 0 – 0
Pooled 71 71 50 79 19 58 20
2A 0 100 50 100 20 75 20
2B 50 100 42 100 33 45 33
2C NA 92 75 92 38 56 34
2D NA 95 82 100 37 96 38
2E NA 80 40 100 29 62 27
Pooled 33 94 70 96 33 79 33

aSSI, surgical site infection; NA, not applicable, –, no SSI identified at this hospital; NA, routine SSI surveillance for this procedure type was not performed at this hospital.
bUsing a 6-day antimicrobial interval or diagnosis code screening for identifying SSI after breast procedures.

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