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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

2,280 questions in 114 reviews · Cystic Fibrosis and Genetic Disorders

current versions
No studies 856 · 37.5%Ungraded 58 · 2.5%Very low 550 · 24.1%Low 502 · 22%Moderate 271 · 11.9%High 43 · 1.9%

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.

QuestionEffectEvidenceStatus / GRADE
CCPT vs PEP
FEV1: change from baseline in FEV1 % predicted · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted6 studies · 169 participantsVery low
CCPT vs extrapulmonary mechanical percussion
FEF25–75: rate of decline in FEF25–75 · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 151 participantsVery low
CCPT vs extrapulmonary mechanical percussion
Respiratory exacerbations: time to first treatment with IV antibiotics · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 151 participantsVery low
CCPT vs extrapulmonary mechanical percussion
QoL: change in CFQ score · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 151 participantsVery low
CCPT vs extrapulmonary mechanical percussion
Adherence to therapy and individual preference (change in adherence rate and TSS score) · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 131 participantsVery low
CCPT vs extrapulmonary mechanical percussion
Mucus weight · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs ACBT
FEV1: annual decline in FEV1 % predicted · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
MD 2.81 study · 63 participantsVery low
CCPT vs ACBT
FVC: annual decline in FVC % predicted · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
MD 1.81 study · 63 participantsVery low
CCPT vs ACBT
FEF25–75: annual decline in FEF25–75 % predicted · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
MD 6 [0.55, 11.45]1 study · 63 participantsVery low
CCPT vs ACBT
Respiratory exacerbations: time to first exacerbation · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs ACBT
QoL: change in CFQ score · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs PEP
FVC: change from baseline in FVC % predicted · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted6 studies · 169 participantsVery low
CCPT vs ACBT
Adherence to therapy and individual preference: self‐reported scoring system. · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRVery low
CCPT vs ACBT
Mucus weight · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs O‐PEP devices
FEV1: % predicted at end of study · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted3 studies · 185 participantsVery low
CCPT vs O‐PEP devices
FVC: % predicted at end of study · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted3 studies · 185 participantsVery low
CCPT vs O‐PEP devices
FEF25–75: at end of the study · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted2 studies · 171 participantsVery low
CCPT vs O‐PEP devices
Respiratory exacerbations: number of respiratory exacerbations per year · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs O‐PEP devices
QoL: change in CFQ score (across 12 domains) · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 155 participantsVery low
CCPT vs O‐PEP devices
Adherence to therapy and individual preference: TSS score · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 155 participantsVery low
CCPT vs O‐PEP devices
Mucus weight · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 14 participantsVery low
CCPT vs AD
FEV1: % predicted · children and adolescents with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted2 studies · 54 participantsVery low
CCPT vs PEP
FEF25–75: change from baseline in FEF25–75 · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted4 studies · 87 participantsVery low
CCPT vs AD
FVC: % predicted · children and adolescents with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted2 studies · 54 participantsVery low
CCPT vs AD
FEF25–75: % predicted · children and adolescents with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted2 studies · 54 participantsVery low
CCPT vs AD
Respiratory exacerbations: number of respiratory exacerbations per year · children and adolescents with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs AD
QoL · children and adolescents with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs AD
Adherence to therapy and individual preference · children and adolescents with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 36 participantsVery low
CCPT vs AD
Mucus weight · children and adolescents with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs exercise
FEV1 · children and young adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs exercise
FVC · children and young adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs exercise
FEF25–75 · children and young adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs exercise
Respiratory exacerbations: number of respiratory exacerbations per year · children and young adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs PEP
Respiratory exacerbations: number of respiratory exacerbations per year · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs exercise
QoL · children and young adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs exercise
Adherence to therapy and individual preference · children and young adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs exercise
Mucus weight · children and young adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
CCPT vs PEP
QoL: change in QWB · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 66 participantsVery low
CCPT vs PEP
Adherence to therapy and individual preference · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted8 studies · 224 participantsVery low
CCPT vs PEP
Mucus weight · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted4 studies · 75 participantsVery low
CCPT vs extrapulmonary mechanical percussion
FEV1: rate of decline in FEV1 % predicted · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 151 participantsVery low
CCPT vs extrapulmonary mechanical percussion
FVC: rate of decline in FVC % predicted. · children and adults with cystic fibrosis
Conventional chest physiotherapy compared to other airway clearance techniques for cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 151 participantsVery low
Inhaled tobramycin (TNS) vs placebo
Eradication of P aeruginosa from the respiratory tract: proportion with positive respiratory culture for P aeruginosa · adults and children with cystic fibrosis and a positive microbiological isolate of Pseudomonas aeruginosa from a…
Antibiotic strategies for eradicating Pseudomonas aeruginosa in people with cystic fibrosis (2023) · Cochrane
OR 0.06 [0.02, 0.18]3 studies · 89 participantsLow
Inhaled tobramycin (TNS) (28 days) vs TNS (56 days)
FVC: % predicted · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory…
Antibiotic strategies for eradicating Pseudomonas aeruginosa in people with cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 88 participantsVery low
Inhaled tobramycin (TNS) (28 days) vs TNS (56 days)
Growth and nutritional status: weight, height and BMI · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory…
Antibiotic strategies for eradicating Pseudomonas aeruginosa in people with cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 88 participantsVery low
Inhaled tobramycin (TNS) (28 days) vs TNS (56 days)
Frequency of infective pulmonary exacerbations: number of exacerbations per patient year · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory…
Antibiotic strategies for eradicating Pseudomonas aeruginosa in people with cystic fibrosis (2023) · Cochrane
OR 0.19 [0.01, 4]1 study · 77 participantsVery low
Inhaled tobramycin (TNS) (28 days) vs TNS (56 days)
Isolation of other micro‐organisms from the respiratory tract: number of positive cultures per patient year · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory…
Antibiotic strategies for eradicating Pseudomonas aeruginosa in people with cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 88 participantsVery low
Inhaled tobramycin (TNS) (28 days) vs TNS (56 days)
Adverse effects of antibiotics · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory…
Antibiotic strategies for eradicating Pseudomonas aeruginosa in people with cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 77 participantsVery low
Cycled inhaled tobramycin (TNS) vs culture‐based TNS
Eradication of P aeruginosa from the respiratory tract: proportion of participants with one or more isolates of P aeruginosa from the respiratory tract · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory…
Antibiotic strategies for eradicating Pseudomonas aeruginosa in people with cystic fibrosis (2023) · Cochrane
no estimate extractedNRNo studies
Cycled inhaled tobramycin (TNS) vs culture‐based TNS
FEV1: mean 70‐week % change in FEV1 (% predicted) · adults and children with cystic fibrosis and a positive microbiological isolate of P aeruginosa from a respiratory…
Antibiotic strategies for eradicating Pseudomonas aeruginosa in people with cystic fibrosis (2023) · Cochrane
no estimate extracted1 study · 143 participantsLow