Findings

What do systematic reviews say?

5 questions · 5 findings · 4 reviews · Airways

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 20%Low 0 · 0%Moderate 1 · 20%High 3 · 60%

Intervention not reported

Adverse events · People with asthma (mostly mild or moderate)

1 finding from 1 review

Yoga for asthma 2016 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 108 participants
Very low

Tiotropium vs ipratropium

All‐cause serious adverse events · chronic obstructive pulmonary disease (COPD). Participants in included studies had an average baseline FEV1 of around 40% predicted and…

Tiotropium leads to lower all‐cause serious adverse events compared with ipratropium (high certainty).

1 finding from 1 review

Tiotropium versus ipratropium bromide for chronic obstructive pulmonary disease 2015 · Cochrane Headline outcomes only
OR 0.5 [0.34, 0.73]
2 studies · 1073 participants
High

Vitamin D vs placebo

Proportion of participants with one or more serious adverse events due to any cause · children and adults with predominantly mild to moderate asthma

Summary of findings table ‐ Vitamin D showed no clear difference in proportion of participants with one or more serious adverse events… compared with placebo (high certainty).

1 finding from 1 review

Vitamin D for the management of asthma 2023 · Cochrane Headline outcomes only
OR 0.89 [0.56, 1.41]
12 studies · 1556 participants
High

Bronchial thermoplasty vs active control

Participants admitted to hospital because of respiratory adverse events (treatment period) · adults with asthma

Bronchial thermoplasty leads to higher participants admitted to hospital because of respiratory adverse… compared with any active control (high certainty).

1 finding from 1 review

Bronchial thermoplasty for moderate or severe persistent asthma in adults 2014 · Cochrane Headline outcomes only
RR 3.5 [1.26, 9.68]
3 studies · 429 participants
High

Bronchial thermoplasty vs active control

Participants admitted to hospital because of respiratory adverse events (post‐treatment period) · adults with asthma

Bronchial thermoplasty showed no clear difference in participants admitted to hospital because of respiratory adverse… compared with any active control (moderate certainty).

1 finding from 1 review

Bronchial thermoplasty for moderate or severe persistent asthma in adults 2014 · Cochrane Headline outcomes only
RR 1.12 [0.44, 2.85]
3 studies · 429 participants
Moderate