impact factor

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impact factor

mathematical expression of frequency with which a given medical journal's original articles are cited in other medical journals.

im·pact fac·tor

(im'pakt fak'tŏr)
Mathematic expression of frequency with which a particular medical journal's original articles are cited in other medical journals.
References in periodicals archive ?
Other key posters to be presented at the meeting include additional quality of life data showing early and sustained improvements in the HIT-6 impact rating total score in patients with chronic migraine in the PROMISE-2 trial, as well as data from the open-label Phase 3 PREVAIL trial showing reduction of migraine disability for patients with chronic migraine treated with eptinezumab.
Built to endure harsh environments and any climate, the PA 1 PATROL Series Sounder's polycarbonate/ABS impact-proof housing achieves an IK08 impact rating. It is also simple and safe to assemble and install, with a captive fastener plus electrical wiring that avoids the need for a 3-hand assembly, providing plug and play functionality.
Notre Dame researchers found that nearly half of survey respondents weren't aware of their door's impact rating, which defines how well it can withstand the impact of airborne debris.
Impact rating at Cardiff next season: 9/10 IDRISS SAADI Brought in from French club Clermont last summer, the 24-year-old marksman remains a frustrating and mysterious enigma at the Welsh club.
Even more concerning, Oorreel suggests, is that too many existing steel guardrail installations fall victim to the same oversight; with each minor impact, whatever impact rating the guardrail had initially is depleted.
The new legislation - Code for Sustainable Homes -is an environmental impact rating system for housing in England and Wales.
Based on a five-point impact rating scale (1 being no impact up to a 5 being significant impact), of nearly 50 items analyzed, the 10 highest-rated factors impacting the rental decision are:
* Evaluation against EN 60529 and EN 62262, achieving ingress ratings of IP66/IP67 and an impact rating of IK09.
Insurers are feeling pressure internally and externally to extend ERM programs beyond regulatory compliance and control to a critical piece of the business planning process to help increase shareholder value and impact rating agency evaluations, he said.
* Customer service: High impact rating. The implementation of the new systems will positively affect customer service, both internally and externally.
After documenting the dearth of systematic empirical studies on the topic, the paper combines the findings of existing research into an overall impact rating, weighted by the studies' methodological quality.
T(sub.j) =overall technological impact rating for job j; j = 1, m