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Table 5 Definitions for each of the possible types of recommendation

From: Review of methods used by chiropractors to determine the site for applying manipulation

Recommendation Description
Favourable Favourable for general use by clinicians to determine site of care
Favourable with limitations Favourable for determining site of care although limits exist such as number and quality of studies, limited generalizability, etc.
Unclear Based on the evidence available, it is unclear whether or not this procedure should be recommended for use
Unfavourable with exceptions Procedure is not recommended for general use but may be used in limited circumstances (e.g. other techniques unavailable.)
Unfavourable Procedure is not recommended for use (limited number of studies, significant flaws in methods, not generalizable, high quality evidence against validity and/or reliability)