Does Study Design Influence Outcome?
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چکیده
منابع مشابه
Does Study Design Influence Outcome?
Background: Clinicians and researchers synthesize data from randomized controlled trials (RCTs) of antidepressants to make conclusions about the efficacy of medications for depression. All treatments include nonspecific factors in addition to the specific effects of drugs, and study design may influence patient outcomes via nonspecific fac tors. This study investigated whether placebo control a...
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Stents are now used in 40–80% of percutaneous coronary interventional procedures. This popularity is based upon extrapolation from available data, which discloses a better immediate angiographic appearance than after PTCA, an ability to ‘bail out’ poor PTCA results and superior late clinical and angiographic results compared with PTCA in certain lesion subsets. The enthusiasm for stents has tra...
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Introduction: Acne is a common problem in adolescent and youngage groups, for which several risk factors have been suggested.One of the risk factors is smoking. In studies on the relationshipbetween smoking and acne, conflicting results have been obtained.Method: This study was conducted on 133 male patients whowere visited at the dermatology clinic of Imam Reza hospital dueto acne as the case ...
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AIMS To evaluate the management strategy of extradural hematomas (EDH), particularly with respect to its volume. METHODS AND MATERIALS Two hundred and three patients with EDH and no other significant intracranial injuries were treated over a period of three years. RESULTS The factors influencing management strategy and outcome were the Glasgow coma scale (GCS), volume of extradural hematoma...
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Background and Purpose—Sulfonylureas block nonselective cation channels and lower serum glucose and are neuroprotective in animal models of ischemic stroke. Human data on sulfonylureas in acute stroke are sparse and conflicting. We aimed to measure the potential neuroprotective effect of prestroke sulfonylurea use in diabetic patients. Methods—We analyzed data from a prospective cohort of indiv...
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ژورنال
عنوان ژورنال: Psychotherapy and Psychosomatics
سال: 2009
ISSN: 0033-3190,1423-0348
DOI: 10.1159/000209348