Original Contribution  |   May 2014
Wikipedia vs Peer-Reviewed Medical Literature for Information About the 10 Most Costly Medical Conditions
Author Notes
  • From the Campbell University Jerry M. Wallace School of Osteopathic Medicine in Buies Creek, North Carolina (Dr Hasty); the Department of Cardiology at Deborah Heart and Lung Center in Browns Mills, New Jersey (Dr Garbalosa); the Nova Southeastern University College of Osteopathic Medicine (NSU-COM)/Palmetto General Hospital Internal Medicine Residency (Drs Barbato, Valdes, Powers, Hernandez, John, Qureshi, Popa-Radu, San Jose, Drexler, Patankar, Paz, King, and Somji) and the Traditional Rotation Internship (Dr Gerber) in Hialeah, Florida; the Department of Biostatistics at the NSU-COM in Fort Lauderdale, Florida (Dr Suciu); and the Larkin Community Hospital Gastroenterology Fellowship Program in South Miami, Florida (Dr Valladares)
  • Address correspondence to Robert T. Hasty, DO, 300 W 27th St, Lumberton, NC 28359-3075 E-mail: rhasty@me.com
Article Information
Cardiovascular Disorders / Emergency Medicine / Endocrinology / Hypertension/Kidney Disease / Neuromusculoskeletal Disorders / Psychiatry / Pulmonary Disorders / Diabetes / Arthritis
Original Contribution   |   May 2014
Wikipedia vs Peer-Reviewed Medical Literature for Information About the 10 Most Costly Medical Conditions
The Journal of the American Osteopathic Association, May 2014, Vol. 114, 368-373. doi:10.7556/jaoa.2014.035
The Journal of the American Osteopathic Association, May 2014, Vol. 114, 368-373. doi:10.7556/jaoa.2014.035
Abstract

Context: Since its launch in 2001, Wikipedia has become the most popular general reference site on the Internet and a popular source of health care information. To evaluate the accuracy of this resource, the authors compared Wikipedia articles on the most costly medical conditions with standard, evidence-based, peer-reviewed sources.

Methods: The top 10 most costly conditions in terms of public and private expenditure in the United States were identified, and a Wikipedia article corresponding to each topic was chosen. In a blinded process, 2 randomly assigned investigators independently reviewed each article and identified all assertions (ie, implication or statement of fact) made in it. The reviewer then conducted a literature search to determine whether each assertion was supported by evidence. The assertions found by each reviewer were compared and analyzed to determine whether assertions made by Wikipedia for these conditions were supported by peer-reviewed sources.

Results: For commonly identified assertions, there was statistically significant discordance between 9 of the 10 selected Wikipedia articles (coronary artery disease, lung cancer, major depressive disorder, osteoarthritis, chronic obstructive pulmonary disease, hypertension, diabetes mellitus, back pain, and hyperlipidemia) and their corresponding peer-reviewed sources (P<.05) and for all assertions made by Wikipedia for these medical conditions (P<.05 for all 9).

Conclusion: Most Wikipedia articles representing the 10 most costly medical conditions in the United States contain many errors when checked against standard peer-reviewed sources. Caution should be used when using Wikipedia to answer questions regarding patient care.

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