Emerging Infectious Disease ISSN: 1080-6059

Use of Binary Cumulative Sums and Moving Averages in Nosocomial Infection Cluster Detection¹

Samuel M. Brown*

, James C. Benneyan†, Daniel A. Theobald‡, Kenneth Sands§, Matthew T. Hahn‡, Gail A. Potter-Bynoe¶, John M. Stelling#**, Thomas F. O'Brien#**, and Donald A. Goldmann¶

Author affiliations: *Massachusetts General Hospital, Boston, Massachusetts, USA; †Northeastern University, Boston, Massachusetts, USA; ‡Vecna Technologies, Inc., Hyattsville, Maryland, USA; §Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA; ¶Children's Hospital, Boston, Massachusetts, USA; #WHO Collaborating Center for Antimicrobial Resistance Surveillance, Boston, Massachusetts, USA; **Brigham and Women's Hospital, Boston, Massachusetts, USA;

Main Article

Figure 2

Data-processing methodology for moving averages. CICU, cardiac intensive care unit; SAU, S. aureus; SW, surgical wound; OXA MIC, oxacillin minimum inhibitory concentration; MA, moving average chart; NCCLS, National Committee on Laboratory Standards, antibiotic susceptibility breakpoint; UCL, upper control limit.

Figure 2. Data-processing methodology for moving averages. CICU, cardiac intensive care unit; SAU, S. aureus; SW, surgical wound; OXA MIC, oxacillin minimum inhibitory concentration; MA, moving average chart; NCCLS, National Committee on Laboratory Standards, antibiotic susceptibility breakpoint; UCL, upper control limit.

Main Article

¹ Portions of this research were presented at the 39th Annual Meeting of the Infectious Diseases Society of America (IDSA), San Francisco, California, USA, October 25–28, 2001.

Top of Page

The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.