Clinical Investigator Toolbox
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Clinical Investigator Toolbox July 2015
Rachel Walden, MLIS
Eskind Biomedical Library Resources and
Services
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Objectives
• Introduce attendees to Eskind Biomedical Library Resources and Services• Provide a refresher on searching• Identify relevant, supplementary resources
on the World Wide Web • H-Index and Journal Impact Factors• Introduction to Standards
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Why do we Search the Medical Literature?
Patient/ Population
Education
Best Practices
ResearchEvidenceBasedMedicine
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Levels of Evidence
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Resources
• PubMed: http://www.ncbi.nlm.nih.gov/pubmed• National Guidelines Clearinghouse:
http://www.guideline.gov/• Cochrane Library- Database of Systematic Reviews• Clinicaltrials.gov • AHRQ- Agency for Healthcare Research and Quality:
http://www.ahrq.gov/ • Clinical Key• UpToDate• EMBASE
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Resources for Outcomes Research ISPOR Good Practices for Outcomes Research Index:
http://www.ispor.org/workpaper/practices_index.asp• Patient-Centered Outcomes Research Institute:
http://www.pcori.org/
Resource for Human Subject Protection• Office for Human Research Protections (OHRP):
http://www.hhs.gov/ohrp/index.html
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Resources for Biomedical Ethics • Philosopher's Index• Bioethics Information Resources:
http://www.nlm.nih.gov/bsd/bioethics.html• Globethics.net Libraries:
http://www.globethics.net/library/libraries-home• Global Ethics Observatory (GEObs):
http://www.unesco.org/new/en/social-and-human-sciences/themes/global-ethics-observatory/
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Resources for Statistics • local and national Health Departments • Health Information Tennessee: http://hit.state.tn.us/home.aspx • CDC Data and Statistics:
http://www.cdc.gov/DataStatistics/?s_cid=cdc_homepage_topmenu_001• State Health Facts: http://kff.org/statedata/• Partners in Information Access for the Public Health Workforce: http://phpartners.org/• Centers for Medicare and Medicaid Services (CMS): http://www.cms.gov/ • National Center for Health Statistics (NCHS): http://www.cdc.gov/nchs/• HCUPnet: http://hcupnet.ahrq.gov/• TOXNET: http://toxnet.nlm.nih.gov/ • MeasureDHS : www.measuredhs.com• OECD iLibrary:
http://www.oecd-ilibrary.org/statistics;jsessionid=1b9u5w3bldkl6.x-oecd-live-02• United Nations: http://unstats.un.org/unsd/default.htm• World Health Organization Data: http://www.who.int/research/en/ • WHO Statistical Information System (WHOSIS): http://www3.who.int/whosis/menu.cfm• Global Health Facts: http://kff.org/globaldata/
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The H Index“I propose the index h, defined as the number of papers with
citation number ≤ h, as a useful index to calculate the scientific
output of a researcher” .1
“A scientist has index h if h of [his/her] Np papers have at least h
citations each, and the other (Np − h) papers have at most h
citations each.”2
1. Hirsch, J. E. (2005). An index to quantify an individual's scientific research output. Proceedings of the National
Academy of Sciences of the United States of America, 102(46), 16569-16572. doi:10.1073/pnas.0507655102
2. University Library. Measuring Your Impact: Impact Factor, Citation Analysis, and other Metrics. Research and
Subject Guides. Illinois, Chicago: University of Illinois at Chicago; 2015.
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H – Index Example
If an author has 15 papers cited 15 times his or her h-index would be 15. Publications with less than 15 citations do not contribute to the h-index of the author.
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Limitations of h-index• Can be influenced by self-citations• Does not account for first authors • Looks at quantity versus influence• Dependent on career length• All types of citations are weighted the same:
reviews, books, primary research, etc. • Dependent on the size of the field• H-index for an author varies when calculated by
different resources
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Journal Impact Factor“A journal's impact factor is based on 2 elements: the numerator, which is the number of citations in the current year to items published in the previous 2 years, and the denominator, which is the number of substantive articles and reviews published in the same 2 years.”1
1. Garfield E. The History and Meaning of the Journal Impact Factor. JAMA. 2006;295(1):90-93. doi:10.1001/jama.295.1.90.
Andrew P. Kurmis J Bone Joint Surg Am 2003;85:2449-2454
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Limitations of the Impact Factor
• Citations to non- source items may inflate the Impact factor
• Self-citation• Journal impact factor varies when calculated by
different resources• Publishing time penalizes disciplines with longer
turnover times• Review articles heavily cited
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Reporting your Research
• CONSORT• http://www.consort-statement.org/
• PRISMA• http://www.prisma-statement.org/
• STROBE• http://www.strobe-statement.org/
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Contact Information
Rachel [email protected]
Phillip [email protected]
Eskind Biomedical Library615.936.1410http://www.mc.vanderbilt.edu/diglib/
Vanderbilt Libraries615.322.7100http://www.library.vanderbilt.edu/