NEDA TOOLKIT for Parents
Recommendation Grades
Grade A — At least one randomized controlled trial as
part of a body of literature of overall good quality and
consistency addressing the specific recommendation
(evidence level I) without extrapolation
Grade B — Well-conducted clinical studies but no
randomized clinical trials on the topic of
recommendation (evidence levels II or III); or
extrapolated from level I evidence
Grade C — Expert committee reports or opinions
and/or clinical experiences of respected authorities
(evidence level IV) or extrapolated from level I or II
evidence. This grading indicates that directly
applicable clinical studies of good quality are absent
or not readily available.
Patient Resources
The following is available:
Eating disorders: anorexia nervosa, bulimia nervosa
and related eating disorders. Understanding NICE
guidance: a guide for people with eating disorders,
their advocates and carers, and the public. London:
National Institute for Clinical Excellence. 2004 Jan. 44.
Electronic copies: Available in English and Welsh in
Portable Document Format (PDF) from the National
Institute for Clinical Excellence (NICE) Web site
(http://www.nice.org.uk:80/). Print copies: Available from the National Health
Service (NHS) Response Line 0870 1555 455. ref:
N0407. 11 Strand, London, WC2N 5HR.
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