Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

38 questions · 38 findings · 11 reviews · Airways

No studies found 8 · 21.1%GRADE not reported 0 · 0%Very low 5 · 13.2%Low 12 · 31.6%Moderate 13 · 34.2%High 0 · 0%

Tailoring asthma treatment using FeNO vs clinical symptoms

Asthma exacerbations · children with asthma

It is very uncertain whether tailoring asthma treatment using fractional exhaled nitric oxide changes number of asthma exacerbations per 52 weeks (exacerbation rate) compared with clinical symptoms (very low certainty).

1 finding from 1 review

Intervention not reported

Health‐related quality of life (generic) SF‐36 (Physical Component Summary (PCS) score) Scale from 0‐100 Higher value post intervention is favourable, indicating improvement in health‐related quality of life · people with stable COPD
1 finding from 1 review

Intervention not reported

Health‐related quality of life (generic) SF‐36 (Mental Component Sumary (MCS) score) Scale from 0‐100 Higher value post intervention is favourable, indicating improvement in health‐related quality of life · people with stable COPD
1 finding from 1 review

Intervention not reported

Quality of life1 Paediatric Asthma Quality of Life Questionnaire (PAQLQ). Scale from: 1 (worse) to 7 (better). · children and adolescents aged 18 years and under studies with asthma
1 finding from 1 review

Intervention not reported

Asthma exacerbation as defined by hospital admission or treatment with a course of oral corticosteroids · participants with asthma

The review found no eligible studies for this question.

1 finding from 1 review