What is the difference between a Cochrane systematic review of interventions and a Cochrane diagnostic test accuracy review?

Cochrane systematic reviews of interventions (intervention reviews) and Cochrane diagnostic test accuracy reviews (DTA reviews) are two types of systematic review.They share the following characteristics:They aim to answer a specific healthcare question to help people make decisions based on up-to-date evidence from research.  They look for all the relevant studies to answer the review question.They appraise the reliability of the studies.They summarize the results to produce a picture of the body of evidence available.  They are systematic because they search for and analyze evidence in a systematic way, according to predetermined and published methods.Intervention reviewsIntervention reviews seek to answer questions about the effectiveness of healthcare interventions (medicines, treatments or policies) on the people who receive them. For example: ‘How effective is acupuncture for treating depression’; or ‘Which treatment is most effective for treating psoriasis?’. To answer such questions, the authors of intervention reviews identify studies that compare one intervention with either another intervention, an inactive intervention (pla cebo), or no intervention. Depending on the number and reliability of the studies identified, intervention reviews may provide information on whether the intervention works, or whether we need more evidence before we can draw a conclusion. They may identify for whom the intervention works best, whic h version of the treatment works be...
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