Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,696 questions · 3,815 findings · 855 reviews

No studies found 573 · 15%GRADE not reported 374 · 9.8%Very low 993 · 26%Low 1,062 · 27.8%Moderate 614 · 16.1%High 199 · 5.2%

28 days on/off antibiotic regimen vs 28 days on/off placebo regimen

Exacerbation frequency · people with bronchiectasis

28 days on/off antibiotic regimen showed no clear difference in exacerbation frequency compared with 28 days on/off placebo regimen (high certainty).

2 findings from 1 review

Inhaled tobramycin (TNS) (28 days) vs TNS (56 days)

Frequency of infective pulmonary exacerbations: number of exacerbations per patient year · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen

It is very uncertain whether inhaled tobramycin (TNS) (28 days) changes frequency of infective pulmonary exacerbations: number of… compared with TNS (56 days) (very low certainty).

1 finding from 1 review

Inhaled tobramycin (TNS) (28 days) vs TNS (56 days)

Isolation of other micro‐organisms from the respiratory tract: number of positive cultures per patient year · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory tract specimen
1 finding from 1 review