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Research Article

Surveillance for Clostridium difficile Infection: ICD-9 Coding Has Poor Sensitivity Compared to Laboratory Diagnosis in Hospital Patients, Singapore

  • Monica Chan,

    Affiliation: Department of Infectious Diseases, Tan Tock Seng Hospital, Singapore, Singapore

    X
  • Poh Lian Lim mail,

    pllim@post.harvard.edu

    Affiliation: Department of Infectious Diseases, Tan Tock Seng Hospital, Singapore, Singapore

    X
  • Angela Chow,

    Affiliation: Department of Clinical Epidemiology, Tan Tock Seng Hospital, Singapore, Singapore

    X
  • Mar Kyaw Win,

    Affiliation: Department of Clinical Epidemiology, Tan Tock Seng Hospital, Singapore, Singapore

    X
  • Timothy M. Barkham

    Affiliation: Department of Laboratory Medicine, Tan Tock Seng Hospital, Singapore, Singapore

    X
  • Published: January 20, 2011
  • DOI: 10.1371/journal.pone.0015603

About the Authors

Monica Chan, Poh Lian Lim
Department of Infectious Diseases, Tan Tock Seng Hospital, Singapore, Singapore
Angela Chow, Mar Kyaw Win
Department of Clinical Epidemiology, Tan Tock Seng Hospital, Singapore, Singapore
Timothy M. Barkham
Department of Laboratory Medicine, Tan Tock Seng Hospital, Singapore, Singapore

Corresponding Author

Email: pllim@post.harvard.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PLL MC. Performed the experiments: MC. Analyzed the data: PLL MC AC MKW. Contributed reagents/materials/analysis tools: AC MKW TMB. Wrote the paper: PLL MC AC MKW TMB.