Cochrane Review Group

Airways

216 systematic reviews in Airways ask 2,325 questions. 10.7% have no studies to answer them, 11.9% rest on very low certainty evidence and 40.5% reach moderate or high certainty.

Reviews

216

Questions

2,325

current versions

No studies

10.7%

Moderate or high

40.5%

No studies 249 · 10.7%Ungraded 107 · 4.6%Very low 276 · 11.9%Low 751 · 32.3%Moderate 718 · 30.9%High 224 · 9.6%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Search questions in Airways

Thinnest evidence

All no studies and very low questions

Question	Effect	Evidence	Status / GRADE
Psychological interventions vs usual care, no intervention, or treatment with no psychological component Symptoms of anxiety · adolescents with asthma Psychological interventions for asthma in children and adolescents (2024) · Cochrane	no estimate extracted	5 studies · 431 participants	Very low
Psychological interventions vs usual care, no intervention, or treatment with no psychological component Symptoms of depression · adolescents with asthma Psychological interventions for asthma in children and adolescents (2024) · Cochrane	no estimate extracted	2 studies · 166 participants	Very low
Psychological interventions vs usual care, no intervention, or treatment with no psychological component Medical contacts Assessed as hospital admissions, ED presentations or asthma‐related urgent care visits. · adolescents with asthma Psychological interventions for asthma in children and adolescents (2024) · Cochrane	no estimate extracted	5 studies · 636 participants	Very low
Psychological interventions vs usual care, no intervention, or treatment with no psychological component Asthma attacks · adolescents with asthma Psychological interventions for asthma in children and adolescents (2024) · Cochrane	no estimate extracted	3 studies · 129 participants	Very low
Psychological interventions vs usual care, no intervention, or treatment with no psychological component Asthma symptoms · adolescents with asthma Psychological interventions for asthma in children and adolescents (2024) · Cochrane	no estimate extracted	11 studies · 720 participants	Very low
Psychological interventions vs usual care, no intervention, or treatment with no psychological component Medication use · adolescents with asthma Psychological interventions for asthma in children and adolescents (2024) · Cochrane	no estimate extracted	8 studies · 822 participants	Very low
Psychological interventions vs usual care, no intervention, or treatment with no psychological component Quality of life · adolescents with asthma Psychological interventions for asthma in children and adolescents (2024) · Cochrane	no estimate extracted	6 studies · 653 participants	Very low
Triple therapy vs LABA/LAMA combination Outcomes (weighted · people with stable COPD Inhaled corticosteroids with combination inhaled long‐acting beta2‐agonists and long‐acting muscarinic… (2023) · Cochrane	no estimate extracted	NR	No studies
Carbonic anhydrase inhibitors vs inactive control cAHI · adults with central sleep apnoea associated with heart failure Pharmacological treatment for central sleep apnoea in adults (2023) · Cochrane	no estimate extracted	1 study · 12 participants	Very low
Anxiolytics vs inactive control Cardiovascular mortality · adults with central sleep apnoea associated with heart failure Pharmacological treatment for central sleep apnoea in adults (2023) · Cochrane	no estimate extracted	NR	No studies
Anxiolytics vs inactive control Serious adverse events · adults with central sleep apnoea associated with heart failure Pharmacological treatment for central sleep apnoea in adults (2023) · Cochrane	no estimate extracted	NR	No studies
Anxiolytics vs inactive control Quality of sleep · adults with central sleep apnoea associated with heart failure Pharmacological treatment for central sleep apnoea in adults (2023) · Cochrane	no estimate extracted	NR	No studies

Reviews 216

Interventions to improve adherence to inhaled steroids for asthma

Normansell, R, Kew, KM, et al. · Cochrane Database of Systematic Reviews · 2017

Airways

Thinnest evidence

Reviews 216

Interventions to improve adherence to inhaled steroids for asthma

Asthma education for school staff

Interventions to improve inhaler technique for people with asthma

Singing for adults with chronic obstructive pulmonary disease

Shared decision‐making for people with asthma

Lay‐led and peer support interventions for adolescents with asthma

Lung volume reduction surgery for diffuse emphysema

Action plans with brief patient education for exacerbations in chronic obstructive pulmonary disease

Pulmonary rehabilitation following exacerbations of chronic obstructive pulmonary disease

Oxygen for breathlessness in patients with chronic obstructive pulmonary disease who do not qualify for home oxygen therapy

Combination inhaled steroid and long‐acting beta₂‐agonist in addition to tiotropium versus tiotropium or combination alone for chronic obstructive pulmonary disease

Tai Chi for chronic obstructive pulmonary disease (COPD)

Yoga for asthma

Smoking cessation for people with chronic obstructive pulmonary disease

Vilanterol and fluticasone furoate for asthma

Breathing exercises for children with asthma

Intravenous magnesium sulfate for treating children with acute asthma in the emergency department

Guanylate cyclase stimulators for pulmonary hypertension

Upper limb exercise training for COPD

Exhaled nitric oxide levels to guide treatment for children with asthma

Exhaled nitric oxide levels to guide treatment for adults with asthma

Home telemonitoring and remote feedback between clinic visits for asthma

Remote versus face‐to‐face check‐ups for asthma

Ambulatory and short‐burst oxygen for interstitial lung disease

Long‐acting muscarinic antagonists (LAMA) added to combination long‐acting beta₂‐agonists and inhaled corticosteroids (LABA/ICS) versus LABA/ICS for adults with asthma