Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,756 questions · 13,493 findings · 1,305 reviews · Headline outcomes only

No studies found 2,594 · 19.2%GRADE not reported 728 · 5.4%Very low 2,868 · 21.3%Low 3,777 · 28%Moderate 2,620 · 19.4%High 906 · 6.7%

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Hydroflotation agents vs no hydroflotation agents (or placebo)

Incidence of adhesions at second‐look laparoscopy · women having gynaecological surgery

Hydroflotation agents leads to lower incidence of adhesions at second‐look laparoscopy compared with no hydroflotation agents (or placebo) (high certainty).

1 finding from 1 review

Zonisamide vs placebo

50% responder rate · people with focal epilepsy

Zonisamide probably leads to higher 50% responder rate (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Zonisamide vs placebo

Withdrawal rates ‐ Any dose · people with focal epilepsy

Zonisamide probably leads to higher withdrawal rates (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Zonisamide vs placebo

Frequency of adverse effects ‐ dizziness ( · people with focal epilepsy

Zonisamide probably leads to higher adverse effects: dizziness (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Zonisamide vs placebo

Adverse effect: fatigue · people with focal epilepsy

Zonisamide probably leads to higher adverse effects: fatigue (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Zonisamide vs placebo

Nausea · people with focal epilepsy

Zonisamide probably leads to higher adverse effects: nausea (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Zonisamide vs placebo

Somnolence · people with focal epilepsy

Zonisamide probably leads to higher adverse effects: somnolence (whole treatment period; any dose) compared with placebo (moderate certainty).

1 finding from 1 review

Levetiracetam vs placebo

50% or greater reduction in focal seizure frequency (responders) intention to treat– all doses · people with drug‐resistant focal epilepsy

Levetiracetam probably leads to higher 50% or greater reduction in focal seizure frequency (responders)… compared with placebo (moderate certainty).

1 finding from 1 review

Levetiracetam vs placebo

Somnolence · people with drug‐resistant focal epilepsy

Levetiracetam probably leads to higher adverse effects: 5 most common adverse effects (any age) – somnolence compared with placebo (moderate certainty).

1 finding from 1 review