Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,918 questions · 5,537 findings · 1,803 reviews

No studies found 1,309 · 23.6%GRADE not reported 440 · 7.9%Very low 1,560 · 28.2%Low 1,292 · 23.3%Moderate 751 · 13.6%High 185 · 3.3%

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Any antibiotic regimen plus N‐acetylcysteine vs the same regimen without N‐acetylcysteine (with or without placebo)

Gastrointestinal adverse events · patients with Helicobacter pylori infection

It is very uncertain whether any antibiotic regimen plus N‐acetylcysteine changes gastrointestinal adverse events compared with the same regimen without N‐acetylcysteine (with or without placebo) (very low certainty).

1 finding from 1 review

Intervention not reported

Maternal serious adverse events · pregnant women

The intervention showed no clear difference in maternal serious adverse events (low certainty).

1 finding from 1 review

Intervention not reported

Serious adverse events (number) · people with acute pancreatitis
1 finding from 1 review