Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

259 questions · 260 findings · 27 reviews · Airways

No studies found 22 · 8.5%GRADE not reported 15 · 5.8%Very low 30 · 11.5%Low 99 · 38.1%Moderate 79 · 30.4%High 15 · 5.8%

Sublingual immunotherapy vs control

Exacerbation requiring ED or hospital visit Weighted mean duration of studies: 31 weeks · people with asthma

It is very uncertain whether sublingual immunotherapy changes exacerbation requiring ED or hospital visit Weighted mean duration… compared with control (very low certainty).

1 finding from 1 review

Sublingual immunotherapy vs control

Serious adverse events Weighted mean duration of studies: 49 weeks · people with asthma

Sublingual immunotherapy showed no clear difference in serious adverse events Weighted mean duration of studies: 56 weeks compared with control (moderate certainty).

1 finding from 1 review

Sublingual immunotherapy vs control

Exacerbation requiring OCS Weighted mean duration of studies: 25 weeks · people with asthma

It is very uncertain whether sublingual immunotherapy changes exacerbation requiring OCS Weighted mean duration of studies: 58 weeks compared with control (very low certainty).

1 finding from 1 review

Sublingual immunotherapy vs control

All adverse events Weighted mean duration of studies: 60 weeks** · people with asthma

Sublingual immunotherapy leads to higher all adverse events Weighted mean duration of studies: 62 weeks** compared with control (high certainty).

1 finding from 1 review

Triple therapy vs LABA/LAMA combination

Respiratory HRQoL measured by SGRQ, ≥ 4‐point decrease from baseline (lower scores indicate better HRQoL) · stable COPD

Triple therapy leads to higher respiratory HRQoL measured by SGRQ, ≥ 4‐point decrease from baseline… compared with LABA/LAMA combination (high certainty).

1 finding from 1 review