Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

30 questions · 30 findings · 5 reviews

No studies found 10 · 33.3%GRADE not reported 1 · 3.3%Very low 9 · 30%Low 8 · 26.7%Moderate 2 · 6.7%High 0 · 0%

Psychological therapies (cognitive therapy) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether psychological therapies (cognitive therapy) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

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