!!! Overview[1] [{$pagename}] broadly construed, is anything presented in support of an [assertion]. [{$pagename}] is a facet of [Trust] The [assertion] support may be __strong__ or __weak__. The strongest type of evidence is that which provides direct proof of the truth of an [assertion]. At the other extreme is evidence that is merely consistent with an [assertion] but does not rule out other, contradictory assertions, as in circumstantial evidence. !! Level of [{$pagename}] [{$pagename}] like [Trust] comes with a varying [Level Of Assurance] Most often used within the Evidence Based Medicine (EBM) the order scientific levels of evidence are generally accepted across all scientific work [Products] with some differing numbers. Levels of [{$pagename}] (sometimes called [hierarchy] of [{$pagename}]) are assigned to studies based on the methodological quality of their design, validity, and applicability to patient care. These decisions gives the "grade (or strength) of recommendation." %%zebra-table %%sortable %%table-filter ||Level of evidence (LOE) || Description | 1 | Evidence from a systematic review or meta-analysis of all relevant RCTs (randomized controlled trial) or evidence-based clinical practice guidelines based on systematic reviews of RCTs or three or more RCTs of good quality that have similar results.| | 2 | Evidence obtained from at least one well-designed RCT (e.g. large multi-site RCT). | 3 | Evidence obtained from well-designed controlled trials without randomization (i.e. quasi-experimental). | 4 | Evidence from well-designed case-control or cohort studies. | 5 | Evidence from systematic reviews of descriptive and qualitative studies (meta-synthesis). | 6 | Evidence from a single descriptive or qualitative study. | 7 | Evidence from the opinion of authorities and/or reports of expert committees. /% /% /% !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }] ---- * [#1] - [Evidence|Wikipedia:Evidence|target='_blank'] - based on information obtained 2016-08-11- * [#2] - [Hierarchy of evidence|Wikipedia:Hierarchy_of_evidence|target='_blank'] - based on information obtained 2019-08-23 * [#2] - [https://www.bmj.com/content/317/7167/1185|Wikipedia:https://www.bmj.com/content/317/7167/1185|target='_blank'] - based on information obtained 2020-08-23