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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.
15,213 questions in 2,394 reviews
current versionsNo studies 15,213 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%
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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Hypertonic saline vs mannitol FEV1: long‐term · adults and children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline vs mannitol LCI · adults and children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline vs mannitol Mortality · adults and children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 3% to 7% vs isotonic saline Mortality · adults and children with cystic fibrosis (stable lung disease) Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline vs mannitol Pulmonary exacerbations · adults and children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs xylitol FEV1 (% predicted) change from baseline, long‐term · adults with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs xylitol LCI · adults with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs xylitol Mortality · adults with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs xylitol Measures of sputum clearance · adults with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs hypertonic saline 3% FEV1 (% predicted) change from baseline, long‐term · children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs hypertonic saline 3% LCI · children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs hypertonic saline 3% Mortality · children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs hypertonic saline 3% Measures of sputum clearance · children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs hypertonic saline 3% Pulmonary exacerbations · children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 7% vs hypertonic saline 3% Adverse events · children with cystic fibrosis Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Hypertonic saline 3% to 7% vs isotonic saline FEV1 (% predicted) change from baseline, long‐term · adults and children with cystic fibrosis (during acute exacerbations of lung disease) Nebulised hypertonic saline for cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage Transfusions (during hospital stay) ‐ not reported · cancer surgery Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage DVT (up to 90 days) ‐ not reported · cardiovascular (no bypass) surgeries Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage Volume (PPT) (during hospital stay) ‐ not reported · cancer surgery Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage Mortality (up to 90 days) ‐ not reported · obstetric surgeries Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage DVT (up to 90 days) ‐ not reported · obstetric surgeries Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage Infection (up to 90 days) ‐ not reported · obstetric surgeries Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage MI (up to 90 days) ‐ not reported · obstetric surgeries Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage CVA (stroke) (up to 90 days) ‐ not reported · obstetric surgeries Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage MI (up to 90 days) ‐ not reported · orthopaedic (hip) Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage Mortality (up to 90 days) ‐ not reported · orthopaedic (knee) Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage Mortality (up to 90 days) ‐ not reported · orthopaedic (spinal) Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage DVT (up to 90 days) ‐ not reported · orthopaedic (spinal) Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage MI (up to 90 days) ‐ not reported · orthopaedic (spinal) Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage CVA (stroke) (up to 90 days) ‐ not reported · orthopaedic (spinal) Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage MI (up to 90 days) ‐ not reported · cancer surgery Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage CVA (stroke) (up to 90 days) ‐ not reported · orthopaedic (mixed) Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Cell salvage vs no cell salvage CVA (stroke) (up to 90 days) ‐ not reported · cancer surgery Cell salvage for minimising perioperative allogeneic blood transfusion in adults undergoing elective surgery (2023) · Cochrane | no estimate extracted | NR | No studies |
Tissue plasminogen activator (t‐PA) vs standard treatment Quality of life measures at 1 month · people with acute non‐arteritic CRAO Interventions for acute non‐arteritic central retinal artery occlusion (2023) · Cochrane | no estimate extracted | NR | No studies |
Bisphosphonates vs placebo BMD: % change in BMD at the hip or femur · children with cystic fibrosis who have not had a lung transplant Bisphosphonates for osteoporosis in people with cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Bisphosphonates vs placebo QoL · children with cystic fibrosis who have not had a lung transplant Bisphosphonates for osteoporosis in people with cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
Bisphosphonates vs no bisphosphonates QoL · adults with cystic fibrosis who have had a lung transplant Bisphosphonates for osteoporosis in people with cystic fibrosis (2023) · Cochrane | no estimate extracted | NR | No studies |
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 extracted | NR | No studies |
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 extracted | NR | No 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 extracted | NR | No studies |
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 extracted | NR | No studies |
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 extracted | NR | No studies |
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 extracted | NR | No 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 extracted | NR | No studies |
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 extracted | NR | No 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 extracted | NR | No 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 extracted | NR | No 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 extracted | NR | No 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 extracted | NR | No 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 extracted | NR | No studies |