Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

489 questions · 532 findings · 33 reviews · Headline outcomes only

No studies found 55 · 10.3%GRADE not reported 28 · 5.3%Very low 119 · 22.4%Low 167 · 31.4%Moderate 129 · 24.2%High 34 · 6.4%

Specific psychological therapy vs alternative specific psychological therapy

Clinical improvement: weight restoration to within the normal weight range for participant sample · people with severe and enduring anorexia nervosa

It is very uncertain whether specific psychological therapy changes clinical improvement: weight restoration to within the normal weight… compared with alternative specific psychological therapy (very low certainty).

1 finding from 1 review

Specific psychological therapy vs alternative specific psychological therapy

Treatment non‐completion: proportion of participants who did not complete treatment · people with severe and enduring anorexia nervosa

It is very uncertain whether specific psychological therapy changes treatment non‐completion: proportion of participants who did not… compared with alternative specific psychological therapy (very low certainty).

1 finding from 1 review