Controlled trials and meta-analyses can help resolve disagreements among orthopaedic surgeons
نویسندگان
چکیده
منابع مشابه
Meta-analyses of randomized controlled trials.
A new type of research, termed meta-analysis, attempts to analyze and combine the results of previous reports. We found 86 meta-analyses of reports of randomized controlled trials in the English-language literature. We evaluated the quality of these meta-analyses, using a scoring method that considered 23 items in six major areas--study design, combinability, control of bias, statistical analys...
متن کاملDiscrepancies between meta-analyses and subsequent large randomized, controlled trials.
BACKGROUND Meta-analyses are now widely used to provide evidence to support clinical strategies. However, large randomized, controlled trials are considered the gold standard in evaluating the efficacy of clinical interventions. METHODS We compared the results of large randomized, controlled trials (involving 1000 patients or more) that were published in four journals (the New England Journal...
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OBJECTIVE To assess attitudes to the use of thromboprophylaxis among orthopaedic surgeons in the United Kingdom. DESIGN AND SUBJECTS Single page postal questionnaire to all 926 active orthopaedic surgeons who are members of the British Orthopaedic Association. RESULTS The response rate was 70% (659 surgeons), of whom 595 (90%) used some form of prophylaxis. Most (548; 83%) used drugs but 47...
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While the monophyly of most insect orders is well supported by morphological data, relationships among orders are still largely undecided. Postulated interordinal relationships are often based on relatively few morphological characters or characters of questionable phylogenetic signifi cance. In studies based on molecular evidence interordinal relationships are usually not signifi cantly suppor...
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Two major issues in formal language learnability are the problem of learning restrictive distributions (sometimes known as the “subset problem”), and the problem of structural ambiguity. While substantial progress has been made in addressing each of these problems in isolation, a complication can arise when a learner is faced with a learning situation that exhibits both problems. It is possible...
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ژورنال
عنوان ژورنال: The Journal of Bone and Joint Surgery. British volume
سال: 1992
ISSN: 0301-620X,2044-5377
DOI: 10.1302/0301-620x.74b5.1527105