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What do systematic reviews say?

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Evidence found and GRADE certainty

251 questions · 277 findings · 23 reviews

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No studies found 64 · 23.1%GRADE not reported 13 · 4.7%Very low 131 · 47.3%Low 59 · 21.3%Moderate 7 · 2.5%High 3 · 1.1%

Intervention vs no intervention or control intervention (control)

Chronic HCV infection†‐ pegylated interferon‐alpha plus ribavirin versus pegylated interferon‐alpha · people with acute hepatitis C infection

It is very uncertain whether intervention changes chronic HCV infection†‐ pegylated interferon‐alpha plus ribavirin… compared with no intervention or control intervention (control) (very low certainty).

1 finding from 1 review

Pharmacological interventions vs placebo

Depression: meeting study criteria for depression at end of · people with depression after stroke

It is very uncertain whether pharmacological interventions changes depression: meeting study criteria for depression at end of… compared with placebo (very low certainty).

2 findings from 1 review

Pharmacological interventions vs placebo

Depression: < 50% reduction in scale scores at end of treatment (primary outcome) · people with depression after stroke

It is very uncertain whether pharmacological interventions changes depression: < 50% reduction in scale scores at end of treatment… compared with placebo (very low certainty).

1 finding from 1 review

Pharmacological interventions vs placebo

Adverse events: death ‐ at end of treatment (secondary outcome) · people with depression after stroke

It is very uncertain whether pharmacological interventions changes adverse events: death (secondary outcome) compared with placebo (very low certainty).

1 finding from 1 review

Pharmacological interventions vs placebo

Adverse effects (central nervous system) · people with depression after stroke

It is very uncertain whether pharmacological interventions changes adverse events: all ‐ central nervous system events (e.g. confusion,… compared with placebo (very low certainty).

1 finding from 1 review

Pharmacological interventions vs placebo

Gastrointestinal adverse events · people with depression after stroke

It is very uncertain whether pharmacological interventions changes adverse events: all ‐ gastrointestinal effects (e.g. constipation,… compared with placebo (very low certainty).

1 finding from 1 review

Non‐pharmaceutical interventions vs placebo/usual care or different forms of intervention

Psychological well‐being (secondary outcome) Not addressed · people within 3 months after stroke
2 findings from 1 review