C19: Planning the search (Mandatory). Plan in advance the methods to be used for identifying studies. Design searches to capture as many studies as possible that meet the eligibility criteria, ...

Part 3 provides considerations for tackling systematic reviews from different perspectives, such as when thinking about specific populations, or complex interventions, or particular types of outcomes.

Peer review means giving feedback on Cochrane protocols and reviews before they are published. Researchers peer review medical research before it is published to check its quality. At Cochrane, we ...

We included 41 RCTs with 2819 participants. Trials included from 20 to 199 participants. Mean age ranged between 58 and 84 years. More than half of the RCTs had unclear risk of selection bias and ...

We aimed to find out if it is effective and safe to stop antidepressants for people with depression or anxiety who have been taking them for six months or longer. We compared different approaches for ...

Статистика, которая спасает жизни Мы изучаем доказательства по вопросам, определяющим жизни людей, давая возможность каждому принимать лучшие решения ...

People with chronic kidney disease (CKD) have less phosphate removal from their body via the kidneys, so that phosphate levels in the blood and in body tissues increase as kidney function decreases.

In 27 studies involving 12,651 participants, of whom 2368 (19%) had tuberculosis based on a microbiological reference standard, the parallel use of respiratory LC-aNAAT and urine LF-LAM had a pooled ...

As new studies are completed, the results of reviews may become out of date and thereby provide misleading information to decision makers. Cochrane Reviews should be assessed periodically to determine ...

12.2 Statistical synthesis when meta-analysis of effect estimates is not possible. A range of statistical synthesis methods are available, and these may be divided into three categories based on their ...

• Compared to placebo (an inactive or 'dummy' medication), zuranolone probably helps more women by reducing their depression symptoms, but also increases the number of harmful, unwanted events they ...

我們審視影響人們生活問題背後的證據，讓每個人都能做出更好的決策。 我們改變生活 和系統 過去五年中，世界衛生組織（WHO）75% 的新指引至少引用了一篇考科藍文獻回顧。了解我們的影響力。 我們的實證 值得信賴 科學家 ...