Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,337 questions · 1,354 findings · 566 reviews

No studies found 307 · 22.7%GRADE not reported 81 · 6%Very low 424 · 31.3%Low 310 · 22.9%Moderate 189 · 14%High 43 · 3.2%

Meropenem vs usual care

Serious adverse events maximum · newborns with late‐onset sepsis

It is very uncertain whether meropenem changes serious adverse events maximum compared with standard care (very low certainty).

1 finding from 1 review

Usual care with ivabradine vs Placebo, no intervention or usual care (with or without placebo)

Rate of serious adverse events · adults (≥ 18 years of age) with a diagnosis of chronic heart failure with reduced ejection fraction (HFrEF)
2 findings from 1 review

Usual care with ivabradine vs Placebo, no intervention or usual care (with or without placebo)

Rate of serious adverse events · patients with chronic heart failure with preserved ejection fraction
2 findings from 1 review

Mirtazapine vs placebo

Safety Any serious adverse event · adults with fibromyalgia

It is very uncertain whether mirtazapine changes safety: serious adverse events compared with placebo (very low certainty).

1 finding from 1 review

Probiotics used as adjuvants to conventional antifungal drugs vs conventional antifungal drugs

Rate of serious adverse events · non‐pregnant women with vulvovaginal candidiasis

Probiotics used as adjuvants to conventional antifungal drugs showed no clear difference in rate of serious adverse events compared with conventional antifungal drugs (low certainty).

1 finding from 1 review