Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,234 questions · 2,325 findings · 216 reviews · Airways

No studies found 249 · 10.7%GRADE not reported 107 · 4.6%Very low 276 · 11.9%Low 751 · 32.3%Moderate 718 · 30.9%High 224 · 9.6%

Tailored interventions based on sputum eosinophils vs tailored interventions based on clinical symptoms

Exacerbations · people with asthma

Tailored interventions based on sputum eosinophils probably leads to lower number of participants who had one or more exacerbations over the… compared with tailored interventions based on clinical symptoms (moderate certainty).

1 finding from 1 review

Tailored interventions based on sputum eosinophils vs tailored interventions based on clinical symptoms

Hospital admissions · people with asthma

Tailored interventions based on sputum eosinophils probably leads to lower hospitalisations compared with tailored interventions based on clinical symptoms (moderate certainty).

1 finding from 1 review

Intervention not reported

Severe exacerbations requiring hospitalisation over the study period · Children from minority groups with doctor diagnosed asthma

The intervention showed no clear difference in severe exacerbations requiring hospitalisation over the study period (low certainty).

1 finding from 1 review

Intervention not reported

Number of participants who had one or more exacerbation of the study period · Adults from minority groups with doctor diagnosed asthma

It is very uncertain whether the intervention changes number of participants who had one or more exacerbation of the study… (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants requiring oral corticosteroids over the study period · Adults from minority groups with doctor diagnosed asthma

It is very uncertain whether the intervention changes number of participants requiring oral corticosteroids over the study… (very low certainty).

1 finding from 1 review

Intervention not reported

Severe exacerbations requiring hospitalisation over the study period · Adults from minority groups with doctor diagnosed asthma

It is very uncertain whether the intervention changes severe exacerbations requiring hospitalisation over the study period (very low certainty).

1 finding from 1 review

Antibiotics vs placebo or no treatment

Number of participants who were not cured at · children < 24 months with ongoing symptoms (cough/wheeze) post‐acute bronchiolitis

Antibiotics showed no clear difference in number of participants who were not cured at compared with placebo or no treatment (low certainty).

1 finding from 1 review

Antibiotics vs placebo or no treatment

Number of participants rehospitalised for a respiratory illness · children < 24 months with ongoing symptoms (cough/wheeze) post‐acute bronchiolitis

Antibiotics showed no clear difference in number of participants rehospitalised for a respiratory illness compared with placebo or no treatment (low certainty).

1 finding from 1 review

Antibiotics vs placebo or no treatment

Proportion of participants with recurrent wheeze · children < 24 months with ongoing symptoms (cough/wheeze) post‐acute bronchiolitis

Antibiotics showed no clear difference in proportion of participants with recurrent wheeze compared with placebo or no treatment (low certainty).

1 finding from 1 review

Intervention not reported

Patients with ≥ 1 exacerbations requiring oral corticosteroids Duration of trials: 6 to 16 weeks · adults and adolescents with persistent asthma

The intervention probably leads to lower patients with ≥ 1 exacerbations requiring oral corticosteroids… (moderate certainty).

1 finding from 1 review

Intervention not reported

Participants with ≥ 1 exacerbation requiring oral corticosteroids Duration of trials: 8 to 24 weeks · adults and adolescents with persistent asthma

The intervention showed no clear difference in participants with ≥ 1 exacerbation requiring oral corticosteroids… (low certainty).

1 finding from 1 review