Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

191 questions · 196 findings · 20 reviews · Cystic Fibrosis and Genetic Disorders

No studies found 65 · 33.2%GRADE not reported 9 · 4.6%Very low 26 · 13.3%Low 46 · 23.5%Moderate 36 · 18.4%High 14 · 7.1%

Summary of findings: oral vitamin E supplementation vs placebo or no treatment

FEV1 % predicted: absolute change from baseline · adults and children with cystic fibrosis

The review found no eligible studies for this question.

2 findings from 1 review

Summary of findings: oral antioxidant combination vs control

FEV1 % predicted: absolute change from baseline · adults and children with cystic fibrosis

The review found no eligible studies for this question.

2 findings from 1 review

Zinc vs placebo

BMD Z score (total hip/femoral neck) · children and adults with β‐thalassaemia major and low bone mass

Summary of findings – zinc probably leads to higher BMD Z score (total hip/femoral neck) compared with placebo (moderate certainty).

1 finding from 1 review

Intervention not reported

BMD Z score (total hip/femoral neck) · people with β‐thalassaemia and osteoporosis

It is very uncertain whether the intervention changes BMD Z score (total hip/femoral neck) (very low certainty).

1 finding from 1 review

Full‐mouth ultrasonic scaling plus photodynamic therapy vs full‐mouth ultrasonic scaling alone

Resolution or reduction in severity of any other dental complication: oral infections (measured by reduction in or resolution of lesions such as periapical cysts, abscesses, or space infections) · people with thalassaemia (any age)

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings: Inhaled antibiotics vs IV antibiotics

Need for additional IV or oral antibiotics · adults and children with cystic fibrosis (during acute exacerbations of lung disease)

It is very uncertain whether summary of findings: Inhaled antibiotics changes need for additional IV or oral antibiotics compared with IV antibiotics (very low certainty).

1 finding from 1 review