Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

199 questions · 221 findings · 20 reviews

No studies found 53 · 24%GRADE not reported 11 · 5%Very low 99 · 44.8%Low 49 · 22.2%Moderate 6 · 2.7%High 3 · 1.4%

Pregabalin vs placebo

Treatment‐related adverse effects · adults and children with sickle cell disease experiencing neuropathic pain

It is very uncertain whether summary of findings ‐ Pharmacological intervention (pregabalin) changes treatment‐related adverse effects compared with placebo (very low certainty).

1 finding from 1 review

Intervention vs no intervention or control intervention (control)

Serious adverse events (number) ‐ pegylated interferon‐alpha plus ribavirin versus pegylated interferon‐alpha · people with acute hepatitis C infection

It is very uncertain whether intervention changes serious adverse events (proportion) ‐ pegylated interferon‐alpha… compared with no intervention or control intervention (control) (very low certainty).

2 findings from 1 review

Intervention vs no intervention or control intervention (control)

Chronic HCV infection†‐ interferon‐alpha versus no intervention · people with acute hepatitis C infection

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

1 finding from 1 review

Intervention vs no intervention or control intervention (control)

Chronic HCV infection†‐ interferon‐beta versus no intervention · people with acute hepatitis C infection

It is very uncertain whether intervention changes chronic HCV infection†‐ interferon‐beta versus no intervention compared with no intervention or control intervention (control) (very low certainty).

1 finding from 1 review

Intervention vs no intervention or control intervention (control)

Chronic HCV infection†‐ MTH‐68/B vaccine versus no intervention · people with acute hepatitis C infection

It is very uncertain whether intervention changes chronic HCV infection†‐ MTH‐68/B vaccine versus no intervention compared with no intervention or control intervention (control) (very low certainty).

1 finding from 1 review

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

Intervention vs no intervention or control intervention (control)

Adverse events (proportion) ‐ interferon‐alpha versus no intervention · people with acute hepatitis C infection

It is very uncertain whether intervention changes adverse events (proportion) ‐ interferon‐alpha versus no intervention compared with no intervention or control intervention (control) (very low certainty).

1 finding from 1 review

Intervention vs no intervention or control intervention (control)

Adverse events (number) ‐ interferon‐beta versus no intervention · people with acute hepatitis C infection

It is very uncertain whether intervention changes adverse events (proportion) ‐ interferon‐beta versus no intervention compared with no intervention or control intervention (control) (very low certainty).

2 findings from 1 review

Multi‐component intervention vs control

Adverse events: number of people experiencing adverse events (all cause or COPD‐related), serious adverse events, mortality · COPD

Multi‐component intervention showed no clear difference in adverse events: number of people experiencing adverse events (all… compared with control (low certainty).

1 finding from 1 review

Multi‐component intervention vs control

Adherence to pharmacotherapy: number of people achieving adherence to medication · COPD

Multi‐component intervention may leads to higher adherence to pharmacotherapy: number of people achieving adherence… compared with control (low certainty).

1 finding from 1 review