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Observer Bias in Hand Hygiene Compliance Reporting

  • Sorabh Dhar (a1), Ryan Tansek (a1), Elizabeth A. Toftey (a1), Beth A. Dziekan (a1), Thomas C. Chevalier (a1), Connie G. Bohlinger (a1), Michelle Fitch (a1), Margaret E. Flanagan (a1), Teena Chopra (a1), Dror Marchaim (a1) and Keith S. Kaye (a1)...


Differences in reported hand hygiene compliance rates were assessed on the basis of the unit affiliation of observers. In 2 hospitals, unit-based observers more often reported higher compliance rates than did non-unit-based observers (79% vs 58.6%; difference, 20.4%; P<.001). Nonstandardized data collection methods contribute to the variability in hand hygiene compliance rates.


Corresponding author

Harper University Hospital, 3990 John R-5 Hudson, Detroit, MI 48201 (


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Infection Control & Hospital Epidemiology
  • ISSN: 0899-823X
  • EISSN: 1559-6834
  • URL: /core/journals/infection-control-and-hospital-epidemiology
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