Type of studies_more practice 6_ppt.pptx

Type of studies_more practice 6_ppt.pptx - 1 RESEARCH...

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1 RESEARCH DESIGN AND METHODS Randomized controlled trials and cohort studies examining the effect of oral hypoglycemic agents, anti-obesity agents, antihypertensive agents, statins, fibrates, and estrogen on the incidence of type 2 diabetes were identified from MEDLINE, EMBASE, the Cochrane Controlled Trials Registry, and searches of reference lists. Two reviewers independently assessed studies for inclusion and performed data extraction. 1
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2 Correct answer: Systematic Review 2
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3 We tested whether chronic treated insulin resistance would preserve pancreatic β-cell function and delay or prevent the onset of type 2 diabetes in high-risk Hispanic women. Women with previous gestational diabetes were randomized to placebo ( n = 133) or the insulin-sensitizing drug troglitazone (400 mg/day; n = 133) administered in double-blind fashion. 3
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4 Correct answer: Randomized Controlled Trial 4
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5 Objective. This study evaluates the effectiveness of a multi-component oral health intervention in preschool
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