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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
Summary of findings ‐ Ciklavit® vs placebo
Frequency of severe complications of SCD · adults and children with SCD
Phytomedicines (medicines derived from plants) for sickle cell disease (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: insulin vs placebo
HbA1c · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extracted1 study · 39 participantsVery low
Summary of findings: repaglinide vs placebo
Hypoglycemia: number of episodes · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
RR 12.52 [0.74, 211.2]1 study · 51 participantsVery low
Summary of findings: repaglinide vs insulin
HbA1c (%) change from baseline · children over 12 and adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
MD 0.31 study · 67 participantsHigh
Summary of findings: repaglinide vs insulin
FEV1 % predicted change from baseline · children over 12 and adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extracted2 studies · 112 participantsModerate
Summary of findings: repaglinide vs insulin
FVC % predicted change from baseline · children over 12 and adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extracted2 studies · 112 participantsModerate
Summary of findings: repaglinide vs insulin
BMI (kg/m²) change from baseline · children over 12 and adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
MD 0.241 study · 45 participantsLow
Summary of findings: repaglinide vs insulin
Hypoglycemia number of episodes · children over 12 and adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
RR 1.38 [0.48, 4.01]2 studies · 56 participantsLow
Summary of findings: NPH insulin vs glargine
HbA1c · adults with CFRD and fasting hyperglycemia
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: NPH insulin vs glargine
FEV1 % predicted · adults with CFRD and fasting hyperglycemia
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: NPH insulin vs glargine
FVC % predicted · adults with CFRD and fasting hyperglycemia
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: NPH insulin vs glargine
BMI kg/m² · adults with CFRD and fasting hyperglycemia
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extractedNRNo studies
Summary of findings: insulin vs placebo
FEV1 % predicted: change from baseline · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
MD 1.21 study · 39 participantsLow
Summary of findings: NPH insulin vs glargine
Hypoglycemia mean number of events per participant · adults with CFRD and fasting hyperglycemia
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extracted1 study · 19 participantsVery low
Summary of findings: insulin vs placebo
FVC % predicted: change from baseline · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
MD 0.61 study · 39 participantsLow
Summary of findings: insulin vs placebo
BMI(kg/m²): change from baseline · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
MD 0.411 study · 39 participantsLow
Summary of findings: insulin vs placebo
Hypoglycemia: number of episodes · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
RR 9.23 [0.53, 159.14]1 study · 55 participantsLow
Summary of findings: repaglinide vs placebo
HbA1c · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extracted1 study · 38 participantsVery low
Summary of findings: repaglinide vs placebo
FEV1 % predicted; change from baseline · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
MD 1.71 study · 38 participantsLow
Summary of findings: repaglinide vs placebo
FVC % predicted: change from baseline · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
no estimate extracted1 study · 38 participantsLow
Summary of findings: repaglinide vs placebo
BMI (kg/m²): change from baseline · adults with CFRD
Drug treatments for managing cystic fibrosis‐related diabetes (2020) · Cochrane
MD 0.171 study · 38 participantsLow
Summary of findings: respiratory muscle training vs control
FEV1 % predicted · adults and children with cystic fibrosis
Respiratory muscle training for cystic fibrosis (2020) · Cochrane
no estimate extracted4 studies · 83 participantsVery low
Summary of findings: respiratory muscle training vs control
FVC: % predicted · adults and children with cystic fibrosis
Respiratory muscle training for cystic fibrosis (2020) · Cochrane
no estimate extracted3 studies · 72 participantsVery low
Summary of findings: respiratory muscle training vs control
Exercise capacity: VO2max (mL/kg/min) · adults and children with cystic fibrosis
Respiratory muscle training for cystic fibrosis (2020) · Cochrane
no estimate extracted3 studies · 54 participantsVery low
Summary of findings: respiratory muscle training vs control
HRQoL: total score · adults and children with cystic fibrosis
Respiratory muscle training for cystic fibrosis (2020) · Cochrane
no estimate extracted3 studies · 69 participantsVery low
Summary of findings: respiratory muscle training vs control
Respiratory muscle function: maximal inspiratory pressure (PImax) · adults and children with cystic fibrosis
Respiratory muscle training for cystic fibrosis (2020) · Cochrane
no estimate extracted4 studies · 87 participantsVery low
Summary of findings: respiratory muscle training vs control
Respiratory muscle function: inspiratory capacity · adults and children with cystic fibrosis
Respiratory muscle training for cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Oscillating devices vs PEP
FEV1: % predicted · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted15 studies · 510 participantsVery low
Oscillating devices vs breathing techniques
FVC · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted8 studies · 181 participantsLow
Oscillating devices vs breathing techniques
Sputum: volume (g) · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 14 participantsLow
Oscillating devices vs breathing techniques
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 extracted6 studies · 114 participantsLow
Oscillating devices vs breathing techniques
Frequency of exacerbationsb · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Oscillating devices vs breathing techniques
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 extracted6 studies · 114 participantsLow
Oscillating devices vs conventional physiotherapy
FEV1: % predicted · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted10 studies · 363 participantsVery low
Oscillating devices vs conventional physiotherapy
FEF25-75: % predicted · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted8 studies · 319 participantsVery low
Oscillating devices vs conventional physiotherapy
FVC · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted7 studies · 268 participantsVery low
Oscillating devices vs conventional physiotherapy
Sputum: volume · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted2 studies · 17 participantsLow
Oscillating devices vs conventional physiotherapy
Sputum: weight (dry or wet) · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted8 studies · 188 participantsVery low
Oscillating devices vs PEP
FEF25-75 : % predicted · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted9 studies · 355 participantsVery low
Oscillating devices vs conventional physiotherapy
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 · 262 participantsVery low
Oscillating devices vs conventional physiotherapy
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 extracted9 studies · 345 participantsVery low
Oscillating devices vs different oscillating devices
FEV1 · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted6 studies · 320 participantsVery low
Oscillating devices vs different oscillating devices
FEF25-75 · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted3 studies · 211 participantsVery low
Oscillating devices vs different oscillating devices
FVC · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted5 studies · 290 participantsVery low
Oscillating devices vs different oscillating devices
Sputum: volume · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extractedNRNo studies
Oscillating devices vs different oscillating devices
Sputum: weight (dry or wet) Folllow‐up: 6 days · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 24 participantsLow
Oscillating devices vs different oscillating devices
Frequency of exacerbationsb · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 16 participantsVery low
Oscillating devices vs different oscillating devices
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 extracted5 studies · 265 participantsVery low
Oscillating devices vs PEP
FVC · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted9 studies · 362 participantsVery low
Oscillating devices vs PEP
Sputum: volume (mL) · adults and children with cystic fibrosis
Oscillating devices for airway clearance in people with cystic fibrosis (2020) · Cochrane
no estimate extracted1 study · 23 participantsLow