Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,771 questions · 10,185 findings · 893 reviews

No studies found 2,109 · 20.7%GRADE not reported 1,125 · 11%Very low 2,279 · 22.4%Low 2,514 · 24.7%Moderate 1,709 · 16.8%High 449 · 4.4%

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Internet‐based cognitive and behavioural therapy (I‐C/BT) vs WAIT LIST

Diagnosis of PTSD after treatment · adults aged ≥ 16 years with PTSD

It is very uncertain whether internet‐based cognitive and behavioural therapy (I‐C/BT) changes diagnosis of PTSD after treatment compared with wait list (very low certainty).

1 finding from 1 review

Internet‐based cognitive and behavioural therapy (I‐C/BT) vs I‐non‐C/BT

Leaving the study early · adults aged ≥ 16 years with PTSD

It is very uncertain whether internet‐based cognitive and behavioural therapy (I‐C/BT) changes dropouts compared with I‐non‐C/BT (very low certainty).

1 finding from 1 review

Internet‐based cognitive and behavioural therapy (I‐C/BT) vs face‐to‐face non‐CBT

Leaving the study early · adults aged ≥ 16 years with PTSD

It is very uncertain whether internet‐based cognitive and behavioural therapy (I‐C/BT) changes dropouts compared with face‐to‐face non‐CBT (very low certainty).

1 finding from 1 review