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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)

125 questions in 24 reviews · Injuries

current versions
No studies 125 · 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.

QuestionEffectEvidenceStatus / GRADE
Intervention NR
Crash‐related injury rates · drivers or passengers travelling in passenger or commercial vehicles
Education, incentive, and engineering‐based interventions to promote the use of seat belts (2024) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Crash‐related mortality rates · drivers or passengers travelling in passenger or commercial vehicles
Education, incentive, and engineering‐based interventions to promote the use of seat belts (2024) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Crash‐related injury rates · drivers or passengers travelling in passenger or commercial vehicles
Education, incentive, and engineering‐based interventions to promote the use of seat belts (2024) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Crash‐related mortality rates · drivers or passengers travelling in passenger or commercial vehicles
Education, incentive, and engineering‐based interventions to promote the use of seat belts (2024) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Crash‐related injury rates · drivers or passengers travelling in passenger or commercial vehicles
Education, incentive, and engineering‐based interventions to promote the use of seat belts (2024) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Crash‐related mortality rates · drivers or passengers travelling in passenger or commercial vehicles
Education, incentive, and engineering‐based interventions to promote the use of seat belts (2024) · Cochrane
no estimate extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo 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 extractedNRNo studies
Topical tranexamic acid vs placebo
Re‐operation due to bleeding (7 days post‐surgery) ‐ not reported · people undergoing definitive fixation of hip, pelvic and long bone fractures
Pharmacological interventions for the prevention of bleeding in people undergoing definitive fixation or… (2023) · Cochrane
no estimate extractedNRNo studies
Topical tranexamic acid vs placebo
Risk of suspected serious drug reactions (30 days) ‐ not reported · people undergoing definitive fixation of hip, pelvic and long bone fractures
Pharmacological interventions for the prevention of bleeding in people undergoing definitive fixation or… (2023) · Cochrane
no estimate extractedNRNo studies
Intravenous tranexamic acid vs placebo
Re‐operation due to bleeding (7 days post‐surgery) ‐ not reported · people undergoing definitive fixation of hip, pelvic and long bone fractures
Pharmacological interventions for the prevention of bleeding in people undergoing definitive fixation or… (2023) · Cochrane
no estimate extractedNRNo studies
Glucocorticoid with cyclophosphamide plus usual care vs usual care (with or without placebo)
Mortality at 30 days following the ingestion of paraquat · people with moderate to severe oral paraquat poisoning
Glucocorticoid with cyclophosphamide for oral paraquat poisoning (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Poor outcome at the end of · adults with traumatic brain injury
Interventions to reduce body temperature to 35 ⁰C to 37 ⁰C in adults and children with traumatic brain injury (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Serious intracranial haemorrhage · adults with traumatic brain injury
Interventions to reduce body temperature to 35 ⁰C to 37 ⁰C in adults and children with traumatic brain injury (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Extracranial haemorrhage · adults with traumatic brain injury
Interventions to reduce body temperature to 35 ⁰C to 37 ⁰C in adults and children with traumatic brain injury (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Abnormal intracranial pressure · adults with traumatic brain injury
Interventions to reduce body temperature to 35 ⁰C to 37 ⁰C in adults and children with traumatic brain injury (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Pneumonia or other serious infection · adults with traumatic brain injury
Interventions to reduce body temperature to 35 ⁰C to 37 ⁰C in adults and children with traumatic brain injury (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Driving frequency Measured at end of study · teenagers, aged 17–19 years
Mobility management to prevent, reduce, or delay driving a car in teenagers (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Driving distance Measured at the end of study · teenagers, aged 17–19 years
Mobility management to prevent, reduce, or delay driving a car in teenagers (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Car crashes Measured at the end of study · teenagers, aged 17–19 years
Mobility management to prevent, reduce, or delay driving a car in teenagers (2020) · Cochrane
no estimate extractedNRNo studies
Hypertonic saline vs other intracranial pressure‐lowering agents
Pulmonary oedema during treatment · people with acute traumatic brain injury
Hypertonic saline versus other intracranial pressure–lowering agents for people with acute traumatic brain… (2020) · Cochrane
no estimate extractedNRNo studies
Hypertonic saline vs other intracranial pressure‐lowering agents
Acute renal failure during treatment · people with acute traumatic brain injury
Hypertonic saline versus other intracranial pressure–lowering agents for people with acute traumatic brain… (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Fatal injuries — not measured · Workers in positions with safety‐sensitive functions, other than commercial drivers
Random drug and alcohol testing for preventing injury in workers (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐fatal injuries — not measured · Workers in positions with safety‐sensitive functions, other than commercial drivers
Random drug and alcohol testing for preventing injury in workers (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Non‐injury accidents — not measured · Workers in positions with safety‐sensitive functions, other than commercial drivers
Random drug and alcohol testing for preventing injury in workers (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Absenteeism — not measured · Workers in positions with safety‐sensitive functions, other than commercial drivers
Random drug and alcohol testing for preventing injury in workers (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events associated with RAT — not measured · Workers in positions with safety‐sensitive functions, other than commercial drivers
Random drug and alcohol testing for preventing injury in workers (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Acute pain · people with severe frostbite injuries
Interventions for frostbite injuries (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Chronic pain · people with severe frostbite injuries
Interventions for frostbite injuries (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Occupational effects · people with severe frostbite injuries
Interventions for frostbite injuries (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Acute pain · people with severe frostbite injuries
Interventions for frostbite injuries (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Chronic pain · people with severe frostbite injuries
Interventions for frostbite injuries (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Occupational effects · people with severe frostbite injuries
Interventions for frostbite injuries (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Acute pain · people with severe frostbite injuries
Interventions for frostbite injuries (2020) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Chronic pain · people with severe frostbite injuries
Interventions for frostbite injuries (2020) · Cochrane
no estimate extractedNRNo studies