Results 251 to 260 of about 49,584,610 (301)
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BMJ, 2012
Researchers investigated whether pioglitazone was associated with an increased risk of bladder cancer in people with type 2 diabetes.1 Use of pioglitazone, an oral antidiabetic agent in the thiazolidinedione class, is controversial.2 The researchers used the general practice research database to extract data from individual patients’ primary care ...
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Researchers investigated whether pioglitazone was associated with an increased risk of bladder cancer in people with type 2 diabetes.1 Use of pioglitazone, an oral antidiabetic agent in the thiazolidinedione class, is controversial.2 The researchers used the general practice research database to extract data from individual patients’ primary care ...
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Understanding observational studies
Drug and Therapeutics Bulletin, 2016The development of evidence-based medicine has encouraged clinicians to consider the best available evidence when making clinical decisions, individualised for the patient.1,2 A hierarchy of levels of evidence about therapy is described, with the highest being meta-analyses and large, well-designed randomised controlled trials.3-5 Lower down the ...
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Coherence in Observational Studies
Biometrics, 1994It is often said that the coherence of an association between a treatment and outcomes is important in judging whether the association is causal. An attempt is made to quantify the evidence provided by a coherent association. This is done in two steps. First, a test is developed to detect a coherent association.
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2018
This chapter on observational studies provides an understanding of the main concepts in epidemiology, introduces common study designs, such as cross-sectional, case-control, and cohort studies, and outlines their importance for clinical research. The hallmark of epidemiological research is that it observes unexposed and exposed individuals under “real ...
Minou Djannatian +3 more
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This chapter on observational studies provides an understanding of the main concepts in epidemiology, introduces common study designs, such as cross-sectional, case-control, and cohort studies, and outlines their importance for clinical research. The hallmark of epidemiological research is that it observes unexposed and exposed individuals under “real ...
Minou Djannatian +3 more
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Observational study of behavior: sampling methods.
Behaviour, 1974J. Altmann
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Headache: The Journal of Head and Face Pain, 2019
Dana P, Turner, Timothy T, Houle
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Dana P, Turner, Timothy T, Houle
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