Healthcare information provider Wolters Kluwer Health, US, has announced impact factor gains across its Lippincott Williams & Wilkins (LWW) journal portfolio and Medknow open access titles with the release of the latest Impact Factor (IF) scores and specialty rankings, based on the 2012 Journal Citation Reports® (Thomson Reuters).
The Medknow open access journal platform continued to gain influence globally with 79 percent of the 14 titles listed in the JCR posting an increase in their IF rating over the previous year.
For LWW's 200 titles listed in the JCR Rankings, including 38 titles in the Social Science Index, 50 percent of the journals had gains over the previous year with 16 titles increasing 25 percent or more. Impressive gains were noted in LWW's rankings across categories in the JCR Science category. In the top 5 rankings, LWW holds 27 spots across 12 specialties; in the top 10 rankings, LWW holds 60 spots across 27 specialties; and rounding out the top 20 rankings, LWW holds 82 spots across 36 specialties.
Circulation (IF 15.202), published on behalf of the American Heart Association (AHA), maintained its #1 position in Cardiac and Cardiovascular Systems category. In the surgery category, Annals of Surgery (IF 6.329) still holds the #1 ranking and is the most-cited journal in its category with 36,761 citations. Plastic and Reconstructive Surgery, published on behalf of the American Society of Plastic Surgeons, increased its Impact Factor 5 percent to 3.535. The Journal of Head Trauma Rehabilitation took the #1 spot in the Rehabilitation category increasing 33 percent (IF 4.443), while Ear & Hearing (3.262), the official title of the American Auditory Society, increased 27 percent to take the #1 ranking in the Otorhinolaryngology specialty. In the Social Sciences Index, Epidemiology, the official title of the International Society for Environmental Epidemiology, held its #1 ranking in the Public, Environmental & Occupational Health category.
Other titles showing impressive gains include the Journal of Hospice & Palliative Nursing rising 90 percent (IF.727), Orthopaedic Nursing moving 48 percent (IF .688), and the European Journal of Cancer Prevention increasing 40 percent (IF 2.974).
Rankings are published annually in the Journal Citation Reports, a registered trademark of Thomson Reuters. Impact Factor (IF) is a measurement of the frequency by which an article in a scholarly journal is cited in a particular year. It is considered by many to be a measure of a journal's influence and prestige.
