Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

279 questions · 283 findings · 23 reviews · Cystic Fibrosis and Genetic Disorders

No studies found 96 · 33.9%GRADE not reported 1 · 0.4%Very low 47 · 16.6%Low 62 · 21.9%Moderate 62 · 21.9%High 15 · 5.3%

Zinc vs placebo

Adverse events number of participants hospitalised during the trial · children with cystic fibrosis

Summary of findings: Zinc supplementation showed no clear difference in adverse events number of participants hospitalised during the trial compared with placebo (moderate certainty).

1 finding from 1 review

Summary of findings: garlic supplementation vs placebo

FEV1 (% predicted): mean change from baseline · children aged over eight and adults with cystic fibrosis and chronic pulmonary infection with P aeruginosa

Summary of findings: garlic supplementation showed no clear difference in respiratory function change from baseline in % predicted FEV1 compared with placebo (moderate certainty).

1 finding from 1 review