Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

14 questions · 14 findings · 7 reviews

No studies found 2 · 14.3%GRADE not reported 0 · 0%Very low 7 · 50%Low 4 · 28.6%Moderate 1 · 7.1%High 0 · 0%

Antioxidants vs placebo or no treatment

Adverse events ‐ Miscarriage · patients with male subfertility

It is very uncertain whether antioxidants changes adverse events ‐ Miscarriage compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Antioxidants vs placebo or no treatment

Gastrointestinal adverse events · patients with male subfertility

Antioxidants may leads to higher adverse events ‐ Gastrointestinal compared with placebo or no treatment (low certainty).

1 finding from 1 review

Omega‐3 fatty acids and antioxidants vs standard diet or placebo

Adverse effects (cardiac) · adults (aged 18 years or older), mechanically ventilated participants with ARDS as defined by the Berlin definition of ARDS or, for older…

It is very uncertain whether omega‐3 fatty acids and antioxidants changes cardiac adverse events (study author reported anytime during study… compared with placebo or standard nutrition (very low certainty).

1 finding from 1 review

Omega‐3 fatty acids and antioxidants vs standard diet or placebo

Study author‐reported adverse events · adults (aged 18 years or older), mechanically ventilated participants with ARDS as defined by the Berlin definition of ARDS or, for older…

It is very uncertain whether omega‐3 fatty acids and antioxidants changes total number of adverse events (study author reported anytime during… compared with placebo or standard nutrition (very low certainty).

1 finding from 1 review

Omega‐3 fatty acids and antioxidants vs standard diet or placebo

Gastrointestinal adverse events · adults (aged 18 years or older), mechanically ventilated participants with ARDS as defined by the Berlin definition of ARDS or, for older…

It is very uncertain whether omega‐3 fatty acids and antioxidants changes gastrointestinal adverse events (study author reported anytime… compared with placebo or standard nutrition (very low certainty).

1 finding from 1 review