Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

304 questions · 309 findings · 37 reviews · Headline outcomes only

No studies found 80 · 25.9%GRADE not reported 8 · 2.6%Very low 88 · 28.5%Low 75 · 24.3%Moderate 54 · 17.5%High 4 · 1.3%

Indwelling urethral catheterisation vs intermittent urethral catheterisation

Asymptomatic bacteruria · Patients with short‐term bladder drainage

It is very uncertain whether indwelling urethral catheterisation changes asymptomatic bacteruria compared with intermittent urethral catheterisation (very low certainty).

1 finding from 1 review

Intervention not reported

Number of exacerbations of upper respiratory tract symptoms · infants and young children with cystic fibrosis

The intervention showed no clear difference in number of exacerbations of upper respiratory tract symptoms (moderate certainty).

1 finding from 1 review