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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.

Context: Osteopathic medical students have a choice to take the United States Medical Licensing Examination (USMLE) in addition to the Comprehensive Osteopathic Medical Licensing Examination-USA (COMLEX-USA). However, taking the USMLE requires additional commitments of time, effort, and expense, often for uncertain return. No data are available about the attitudes of graduating osteopathic medical students toward their options regarding the USMLE and how they decide whether to take this examination., Objective: To uncover attitudes among graduating osteopathic medical students on taking the USMLE., Method: Using an Internet-based questionnaire, the authors surveyed graduating osteopathic medical students about their experiences with deciding whether to take the USMLE and whether they would advise other students to take the examination., Results: Nineteen osteopathic medical colleges agreed to participate in the survey. Of the 2744 graduating students at those schools, 978 (35.7%) completed the survey. Students in higher quintiles (ie, top 40%) of class rank were more likely to take the USMLE than those in lower quintiles (ie, bottom 40%) (P<.001). The most common reason cited by students for taking the USMLE was to "keep [their] options open" for residencies (233 of 507 respondents [46%]). Of the 474 students who did not take the USMLE, 171 respondents (36.1%) reported experiencing discrimination for not taking the examination. Four hundred seventy of 981 respondents (47.9%) reported finding residency programs that specifically require the USMLE, and 689 of 981 respondents (70.2%) recommended that future students take at least 1 step of the USMLE., Conclusion: The majority of graduating osteopathic medical students polled in the present study believed that osteopathic medical students should take the USMLE.