936 resultados para Randomised controlled trials
Resumo:
Objective: To assess whether population screening for impaired vision among older people in the community leads to improvements in vision.
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Objectives: To assess whether antibiotic treatment for acute cough is effective and to measure the side effects of such treatment.
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Objective: To evaluate the effect of heparin on duration of catheter patency and on prevention of complications associated with use of peripheral venous and arterial catheters.
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Objective: To determine whether antibiotic prophylaxis reduces respiratory tract infections and overall mortality in unselected critically ill adult patients.
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Objective: To quantify effect on mortality of administering human albumin or plasma protein fraction during management of critically ill patients.
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Objective To review critically the statistical methods used for health economic evaluations in randomised controlled trials where an estimate of cost is available for each patient in the study.