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Journal Article


Stelfox HT, Goverman J. J. Trauma 2008; 65(6): 1488-1493.


From the Department of Critical Care Medicine (H.T.S.), University of Calgary, Calgary, Alberta, Canada; and Department of Surgery (J.G.), Burns Service, Massachusetts General Hospital, Boston, Massachusetts.


(Copyright © 2008, Lippincott Williams and Wilkins)






BACKGROUND: Injuries represent an important and growing global burden of disease. The availability of evidence-based injury control interventions is unknown. We aimed to assess trends with respect to the number, content, and methodologic quality of reports of randomized controlled trials (RCTs) in the prevention and care of injuries. METHODS: We searched MEDLINE and the Cochrane Central Register of Controlled Trials for reports of RCTs of interventions in the prevention and care of injuries published between January 1, 1966 and January 1, 2006. Ten percent of reports, stratified by year, were randomly sampled. Studies were abstracted using a standardized form for nature of intervention, sample size, patients studied, and methodologic quality. RESULTS: The rate of publication of injury-related RCTs increased from 1.2 to 5.3 articles per 100 RCTs published in MEDLINE (p < 0.001) during the study period. A total of 308 reports were included in the analysis of content and methodologic quality. Poisonings (31 [10%]) were the single most common isolated mechanism of patient injury studied, whereas only 12 reports (4%) focused on road traffic injuries. The majority of interventions were hospital based (211 [68%]) and half (45%) were judged to be only available in high-income countries. Allocation concealment was deemed adequate in 73 articles (24%). One quarter of reports documented blinding of participants (77 [25%]), investigators (68 [22%]), and outcome assessors (83 [27%]). Only 44 articles (14%) reported intention-to-treat analyses. CONCLUSIONS: The number of RCTs specific to the prevention and care of injuries is small, but increasing. The reporting of injury-related RCTs has important deficiencies including inadequate allocation concealment; failure to blind patients, investigators, and assessors; and per protocol analyses. In addition, many interventions studied are not available in low-income countries where the majority of the world's population resides and injury rates are highest.

Language: en


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