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Volume 16, Number 2—February 2010

CME ACTIVITY

Risk Factors for and Estimated Incidence of Community-associated Clostridium difficile Infection, North Carolina, USA1

Earning CME Credit

To obtain credit, you should first read the journal article. After reading the article, you should be able to answer the following, related, multiple-choice questions. To complete the questions and earn continuing medical education (CME) credit, please go to http://www.medscape.com/cme/eid. Credit cannot be obtained for tests completed on paper, although you may use the worksheet below to keep a record of your answers. You must be a registered user on Medscape.com. If you are not registered on Medscape.com, please click on the New Users: Free Registration link on the left hand side of the website to register. Only one answer is correct for each question. Once you successfully answer all post-test questions you will be able to view and/or print your certificate. For questions regarding the content of this activity, contact the accredited provider, CME@medscape.net. For technical assistance, contact CME@webmd.net. American Medical Association’s Physician’s Recognition Award (AMA PRA) credits are accepted in the US as evidence of participation in CME activities. For further information on this award, please refer to http://www.ama-assn.org/ama/pub/category/2922.html. The AMA has determined that physicians not licensed in the US who participate in this CME activity are eligible for AMA PRA Category 1 Credits™. Through agreements that the AMA has made with agencies in some countries, AMA PRA credit is acceptable as evidence of participation in CME activities. If you are not licensed in the US and want to obtain an AMA PRA CME credit, please complete the questions online, print the certificate and present it to your national medical association.

Article Title: Risk Factors and Estimated Incidence of Community-associated Clostridium difficile Infection, North Carolina, USA

CME Questions

  • What was the approximate percentage of all Clostridium difficile infections (CDIs) that were community associated in the current study?

    • A. 2%

    • B. 7%

    • C. 20%

    • D. 57%

  • Which of the following demographic trends in community-associated (CA) CDI was present in the current study?

    • A. Adults over the age of 64 years had the highest prevalence of CA-CDI

    • B. Adults younger than 44 years had the highest prevalence of CA-CDI

    • C. Physician visits had no impact on the prevalence of CA-CDI

    • D. Women had a higher prevalence of CA-CDI compared with men

  • Which of the following case characteristics of CDI in the current study is most accurate?

    • A. Less than 10% of patients with CDI were admitted to the hospital

    • B. Diarrhea was the most common complaint

    • C. Nearly all patients had been exposed to antimicrobials in the 3 months prior to testing for CDI

    • D. Clindamycin was the antibiotic most frequently implicated in promoting CDI

  • All of the following variables were associated with a higher risk for CA-CDI in the current study, except:

    • A. Recent treatment with antimicrobial drugs

    • B. More outpatient visits at the VA hospital

    • C. Treatment with proton-pump inhibitors

    • D. Cardiac failure

Activity Evaluation
1. The activity supported the learning objectives.
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1 2 3 4 5
2. The material was organized clearly for learning to occur.
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1 2 3 4 5
3. The content learned from this activity will impact my practice.
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1 2 3 4 5
4. The activity was presented objectively and free of commercial bias.
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1 2 3 4 5

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