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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
Oscillating devices vs PEP
Sputum:weight (dry or wet) (g) · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted4 studies · 104 participantsLow
Oscillating devices vs PEP
Frequency of exacerbationsb · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted4 studies · 219 participantsLow
Oscillating devices vs PEP
Participant‐reported satisfaction with treatment intervention · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted7 studies · 242 participantsVery low
Oscillating devices vs breathing techniques
FEV1: % predicted or L · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted9 studies · 210 participantsLow
Oscillating devices vs breathing techniques
FEF25-75 · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted2 studies · 29 participantsVery low
Summary of findings for combination antimicrobial susceptibility testing vs conventional treatment (separate testing)
Lung function(FEV1 or FVC L/min or % predicted) · adults and children with pulmonary exacerbation due to Pseudomonas aeruginosa
Combination antimicrobial susceptibility testing for acute exacerbations in chronic infection of Pseudomonas… (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings for combination antimicrobial susceptibility testing vs conventional treatment (separate testing)
Time to next exacerbation · adults and children with pulmonary exacerbation due to Pseudomonas aeruginosa
Combination antimicrobial susceptibility testing for acute exacerbations in chronic infection of Pseudomonas… (2020) · Cochrane
no estimate extracted1 study · 82 participantsModerate
Summary of findings for combination antimicrobial susceptibility testing vs conventional treatment (separate testing)
Quality of life · adults and children with pulmonary exacerbation due to Pseudomonas aeruginosa
Combination antimicrobial susceptibility testing for acute exacerbations in chronic infection of Pseudomonas… (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings for combination antimicrobial susceptibility testing vs conventional treatment (separate testing)
Length of hospital stay · adults and children with pulmonary exacerbation due to Pseudomonas aeruginosa
Combination antimicrobial susceptibility testing for acute exacerbations in chronic infection of Pseudomonas… (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings for combination antimicrobial susceptibility testing vs conventional treatment (separate testing)
Sputum bacterial density (CFU/mL) · adults and children with pulmonary exacerbation due to Pseudomonas aeruginosa
Combination antimicrobial susceptibility testing for acute exacerbations in chronic infection of Pseudomonas… (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings for combination antimicrobial susceptibility testing vs conventional treatment (separate testing)
Adverse events · adults and children with pulmonary exacerbation due to Pseudomonas aeruginosa
Combination antimicrobial susceptibility testing for acute exacerbations in chronic infection of Pseudomonas… (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings for combination antimicrobial susceptibility testing vs conventional treatment (separate testing)
Mortality · adults and children with pulmonary exacerbation due to Pseudomonas aeruginosa
Combination antimicrobial susceptibility testing for acute exacerbations in chronic infection of Pseudomonas… (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: β‐carotene vs placebo
Pulmonary exacerbations Days of antibiotic use · children and adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 24 participantsLow
Summary of findings: garlic supplementation vs placebo
Adverse events mild adverse events · children aged over eight and adults with cystic fibrosis and chronic pulmonary infection with P aeruginosa
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 26 participantsModerate
Summary of findings: garlic supplementation vs placebo
Need for antibiotics days of antibiotic use · children aged over eight and adults with cystic fibrosis and chronic pulmonary infection with P aeruginosa
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: garlic supplementation vs placebo
QoL · children aged over eight and adults with cystic fibrosis and chronic pulmonary infection with P aeruginosa
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: garlic supplementation vs placebo
Sputum microbiology · children aged over eight and adults with cystic fibrosis and chronic pulmonary infection with P aeruginosa
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: garlic supplementation vs placebo
Inflammatory markers · children aged over eight and adults with cystic fibrosis and chronic pulmonary infection with P aeruginosa
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: monoclonal antibody KB001‐A vs placebo
Pulmonary exacerbations · children (12 or over) and adults with cystic fibrosis and lung infection
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
RR 0.25 [0.03, 2.4]2 studies · 196 participantsLow
Summary of findings: monoclonal antibody KB001‐A vs placebo
Respiratory function number of episodes of a drop in FEV1 (unit of measurement not given) · children (12 or over) and adults with cystic fibrosis and lung infection
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
RR 4.74 [0.28, 79.44]2 studies · 196 participantsVery low
Summary of findings: monoclonal antibody KB001‐A vs placebo
Adverse events number of participants experiencing adverse events · children (12 or over) and adults with cystic fibrosis and lung infection
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
RR 1.3 [0.9, 1.87]2 studies · 196 participantsVery low
Summary of findings: monoclonal antibody KB001‐A vs placebo
Need for antibiotics time to need for antibiotics · children (12 or over) and adults with cystic fibrosis and lung infection
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
HR 1 [0.69, 1.45]1 study · 169 participantsModerate
Summary of findings: monoclonal antibody KB001‐A vs placebo
QoL change in CFQ‐R score · children (12 or over) and adults with cystic fibrosis and lung infection
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 27 participantsLow
Summary of findings: β‐carotene vs placebo
Respiratory function absolute FEV1 % predicted · children and adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 24 participantsLow
Summary of findings: monoclonal antibody KB001‐A vs placebo
Sputum microbiology · children (12 or over) and adults with cystic fibrosis and lung infection
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 27 participantsLow
Summary of findings: monoclonal antibody KB001‐A vs placebo
Inflammatory markers · children (12 or over) and adults with cystic fibrosis and lung infection
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted2 studies · 196 participantsVery low
Summary of findings: nitric oxide vs placebo
Pulmonary exacerbations · children (12 or over) and young adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: nitric oxide vs placebo
Respiratory function mean change in FEV1 % predicted from baseline · children (12 or over) and young adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 12 participantsLow
Summary of findings: nitric oxide vs placebo
Adverse events · children (12 or over) and young adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted2 studies · 30 participantsVery low
Summary of findings: nitric oxide vs placebo
Need for antibiotics · children (12 or over) and young adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: nitric oxide vs placebo
QoL · children (12 or over) and young adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: nitric oxide vs placebo
Sputum microbiology · children (12 or over) and young adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted2 studies · 30 participantsVery low
Summary of findings: nitric oxide vs placebo
Inflammatory markers · children (12 or over) and young adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Zinc supplementation vs placebo
Pulmonary exacerbations number of participants requiring IV antibiotics · children with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
RR 1.85 [0.65, 5.26]1 study · 37 participantsModerate
Summary of findings: β‐carotene vs placebo
Adverse events · children and adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 24 participantsLow
Summary of findings: Zinc supplementation vs placebo
Respiratory function mean FEV1 % predicted · children with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extracted2 studies · 62 participantsVery low
Summary of findings: Zinc supplementation vs placebo
Adverse events number of participants hospitalised during the trial · children with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
RR 1.23 [0.51, 2.97]1 study · 37 participantsModerate
Summary of findings: Zinc supplementation vs placebo
Need for antibiotics number of days on IV or oral antibiotics · children with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
MD 0.522 studies · 62 participantsVery low
Summary of findings: Zinc supplementation vs placebo
QoL · children with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Zinc supplementation vs placebo
Sputum microbiology · children with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: Zinc supplementation vs placebo
Inflammatory markers · children with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: β‐carotene vs placebo
Need for antibiotics see pulmonary exacerbations · children and adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: β‐carotene vs placebo
QoL · children and adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: β‐carotene vs placebo
Sputum microbiology · children and adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: β‐carotene vs placebo
Inflammatory markers · children and adults with cystic fibrosis
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: garlic supplementation vs placebo
Pulmonary exacerbations · children aged over eight and adults with cystic fibrosis and chronic pulmonary infection with P aeruginosa
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: garlic supplementation vs placebo
Respiratory function change from baseline in % predicted FEV1 · children aged over eight and adults with cystic fibrosis and chronic pulmonary infection with P aeruginosa
Antibiotic adjuvant therapy for pulmonary infection in cystic fibrosis (2020) · Cochrane
MD 1.591 study · 26 participantsModerate
Summary of findings: ECM vs NECT plus cimetidine
Change in weight (kg) · adults with cystic fibrosis
Pancreatic enzyme replacement therapy for people with cystic fibrosis (2020) · Cochrane
MD 0.41 study · 12 participantsVery low
Summary of findings: ECM vs ECT
Change in BMI · children and adults with cystic fibrosis
Pancreatic enzyme replacement therapy for people with cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: ECM vs ECT
Frequency of bowel symptoms: abdominal pain (% of days affected) · children and adults with cystic fibrosis
Pancreatic enzyme replacement therapy for people with cystic fibrosis (2020) · Cochrane
no estimate extracted2 studies · 41 participantsVery low