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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)

611 questions in 50 reviews · Injuries

current versions
No studies 125 · 20.5%Ungraded 22 · 3.6%Very low 185 · 30.3%Low 171 · 28%Moderate 77 · 12.6%High 31 · 5.1%

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
Frequency of wearing a seat belt assessed through self‐report · 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 extracted3 studies · 986 participantsLow
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
Frequency of wearing a seat belt · 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 extracted2 studies · 1407 participantsLow
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
Frequency of wearing a seat belt · 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 extracted2 studies · 118 participantsLow
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
Total studies: 47 Total participants: 4398 · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted47 participantsUngraded
Intervention NR
TXA given intra‐articularly at a total dose of 2 g intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsLow
Intervention NR
TXA given intravenously at a total dose of 1 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsLow
Intervention NR
TXA given orally at a total dose of greater than 3 g pre‐incision and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsVery low
Intervention NR
TXA given orally at a total dose of 2 g pre‐incision · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsLow
Intervention NR
TXA given intra‐articularly at a total dose of 1 g intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsLow
Intervention NR
TXA given intravenously at a total dose of greater than 3 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsModerate
Intervention NR
TXA given intravenously and intra‐articularly at a total dose of 2 g pre‐incision and intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsVery low
Intervention NR
TXA given orally at a total dose of 2 g pre‐incision and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsLow
Intervention NR
TXA given intravenously at a total dose of 2 g pre‐incision and intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsVery low
Intervention NR
TXA given intravenously at a total dose of 1 g pre‐incision and intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsModerate
Intervention NR
TXA given orally and intra‐articularly at a total dose of greater than 3 g pre‐incision, intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsModerate
Intervention NR
Aprotinin given intravenously · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extractedNRLow
Intervention NR
Desmopressin given intravenously · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extractedNRLow
Intervention NR
EACA given intravenously · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
Fibrin (topical) · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
TXA given intravenously at a total dose of 1 g intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsLow
Intervention NR
TXA given intravenously at a total dose of 1 g pre‐incision · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsModerate
Intervention NR
TXA given intravenously at a total dose of 1 g pre‐incision, intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsLow
Intervention NR
TXA given intravenously at a total dose of 2 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsLow
Intervention NR
TXA given intravenously at a total dose of 2 g pre‐incision and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsModerate
Intervention NR
TXA given intravenously at a total dose of 3 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsModerate
Intervention NR
TXA given orally at a total dose of 3 g pre‐incision and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsLow
Intervention NR
Total studies: 19 Total participants: 2395 · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted19 participantsUngraded
Intervention NR
TXA given intravenously and orally at a total dose of greater than 3 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsLow
Intervention NR
TXA given intravenously and intra‐articularly at a total dose of 2 g pre‐incision and intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsLow
Intervention NR
TXA given intravenously and intra‐articularly at a total dose of greater than 3 g pre‐incision, intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsLow
Intervention NR
TXA given intravenously at a total dose of greater than 3 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsLow
Intervention NR
TXA given intravenously and orally at a total dose of greater than 3 g pre‐incision and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsLow
Intervention NR
TXA given intravenously at a total dose of 3 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsLow
Intervention NR
TXA given intra‐articularly at a total dose of 2 g intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsLow
Intervention NR
TXA given orally and intra‐articularly at a total dose of greater than 3 g pre‐incision, intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsLow
Intervention NR
TXA given intravenously at a total dose of 2 g pre‐incision and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsLow
Intervention NR
TXA given intravenously and orally at a total dose of greater than 3 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted3 participantsLow
Intervention NR
TXA given intravenously at a total dose of 1 g postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsLow
Intervention NR
TXA given intravenously at a total dose of 2 g postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsLow
Intervention NR
TXA given intravenously at a total dose of 2 g intraoperatively and postoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted2 participantsVery low
Intervention NR
Aprotinin given intravenously · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extractedNRVery low
Intervention NR
TXA given intra‐articularly at a total dose of 1 g intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsLow
Intervention NR
TXA given intravenously at a total dose of 1 g pre‐incision · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsLow
Intervention NR
TXA given intravenously at a total dose of 1 g pre‐incision and intraoperatively · individuals undergoing planned hip or knee replacement surgery Interventions: antifibrinolytics (tranexamic acid,…
Pharmacological interventions for the prevention of bleeding in people undergoing elective hip or knee… (2024) · Cochrane
no estimate extracted1 participantsLow