Gap finder

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. Every word you type has to appear somewhere in the question, and the closest matches are ranked first.

Limit to evidence status or GRADE (optional)

75,239 questions in 5,342 reviews

current versions
No studies 15,213 · 20.2%Ungraded 10,323 · 13.7%Very low 17,528 · 23.3%Low 17,951 · 23.9%Moderate 11,190 · 14.9%High 3,034 · 4%

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 table ‐ Psychosocial intervention vs control
Functioning at study endpoint · promoting the mental health of people living in LMICs affected by humanitarian crises (children)
Psychological and social interventions for the promotion of mental health in people living in low‐ and… (2024) · Cochrane
no estimate extracted1 study · 183 participantsVery low
Summary of findings table ‐ Psychosocial intervention vs control
Functioning at · promoting the mental health of people living in LMICs affected by humanitarian crises (children)
Psychological and social interventions for the promotion of mental health in people living in low‐ and… (2024) · Cochrane
no estimate extracted1 study · 183 participantsVery low
Summary of findings table ‐ Psychosocial intervention vs control
Prosocial behaviour at study endpoint · promoting the mental health of people living in LMICs affected by humanitarian crises (children)
Psychological and social interventions for the promotion of mental health in people living in low‐ and… (2024) · Cochrane
no estimate extracted5 studies · 1633 participantsLow
Summary of findings table ‐ Psychosocial intervention vs control
Prosocial behaviour at · promoting the mental health of people living in LMICs affected by humanitarian crises (children)
Psychological and social interventions for the promotion of mental health in people living in low‐ and… (2024) · Cochrane
no estimate extracted2 studies · 483 participantsVery low
Summary of findings table ‐ Psychosocial intervention vs control
Mental well‐being at study endpoint · promoting the mental health of people living in LMICs affected by humanitarian crises (adults)
Psychological and social interventions for the promotion of mental health in people living in low‐ and… (2024) · Cochrane
no estimate extracted3 studies · 674 participantsLow
Summary of findings table ‐ Psychosocial intervention vs control
Mental well‐being at · promoting the mental health of people living in LMICs affected by humanitarian crises (adults)
Psychological and social interventions for the promotion of mental health in people living in low‐ and… (2024) · Cochrane
no estimate extracted1 study · 441 participantsVery low
Summary of findings table ‐ Psychosocial intervention vs control
Functioning at study endpoint ‐ not measured · promoting the mental health of people living in LMICs affected by humanitarian crises (adults)
Psychological and social interventions for the promotion of mental health in people living in low‐ and… (2024) · Cochrane
no estimate extractedNRNo studies
Summary of findings table ‐ Emicizumab prophylaxis vs on‐demand therapy
Annualized Bleeding Rate (ABR) ‐ All treated bleeds · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 53 participantsModerate
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
Annualized joint Bleeding Rate (AjBR) · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 57 participantsModerate
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
Change from baseline in total health score, Haem‐A‐QoLScale from: 0 (better) to 100 · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 48 participantsLow
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
Proportion with zero bleeds · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 12.5 [1.83, 85.38]1 study · 57 participantsModerate
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
All adverse events · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 1.6 [1.08, 2.37]1 study · 60 participantsModerate
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
Serious adverse events · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 0.65 [0.24, 1.78]1 study · 60 participantsModerate
Summary of findings table ‐ Concizumab prophylaxis vs on‐demand therapy
Annualized Bleeding Rate (ABR), All bleeds · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted2 studies · 68 participantsLow
Summary of findings table ‐ Concizumab prophylaxis vs on‐demand therapy
Annualized spontaneous Bleeding Rate (AsBR) · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted2 studies · 78 participantsVery low
Summary of findings table ‐ Concizumab prophylaxis vs on‐demand therapy
Annualized joint Bleeding Rate (AjBR) · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted2 studies · 78 participantsLow
Summary of findings table ‐ Concizumab prophylaxis vs on‐demand therapy
Proportion with zero bleeds · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 6.05 [1.59, 23]1 study · 52 participantsLow
Summary of findings table ‐ Concizumab prophylaxis vs on‐demand therapy
Change from baseline in SF‐36v2 ‐ mental component scoreScale from: 0 to 100 (better) · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 26 participantsVery low
Summary of findings table ‐ Emicizumab prophylaxis vs on‐demand therapy
Annualized spontaneous Bleeding Rate (AsBR) · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 53 participantsModerate
Summary of findings table ‐ Concizumab prophylaxis vs on‐demand therapy
Adverse events ‐ All adverse events · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 1.14 [0.76, 1.7]2 studies · 78 participantsLow
Summary of findings table ‐ Concizumab prophylaxis vs on‐demand therapy
Adverse events ‐ Serious adverse events · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 0.45 [0.06, 3.38]2 studies · 78 participantsLow
Summary of findings table ‐ Emicuzimab 1.5 mg/kg weekly prophylaxis vs on‐demand therapy
Annualized Bleeding Rate (ABR) ‐ All treated bleeds · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 54 participantsModerate
Summary of findings table ‐ Emicuzimab 1.5 mg/kg weekly prophylaxis vs on‐demand therapy
Annualized joint Bleeding Rate (AjBR) · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 54 participantsModerate
Summary of findings table ‐ Emicuzimab 1.5 mg/kg weekly prophylaxis vs on‐demand therapy
Annualized spontaneous Bleeding Rate (AsBR) · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 54 participantsModerate
Summary of findings table ‐ Emicuzimab 1.5 mg/kg weekly prophylaxis vs on‐demand therapy
Proportion of participants with zero bleeds · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 19 [1.21, 298.4]1 study · 54 participantsLow
Summary of findings table ‐ Emicuzimab 1.5 mg/kg weekly prophylaxis vs on‐demand therapy
Change in Haem‐A‐QoL total score Scale from: 0 (better) to 100 · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 47 participantsLow
Summary of findings table ‐ Emicuzimab 1.5 mg/kg weekly prophylaxis vs on‐demand therapy
All adverse events · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 2.83 [1.47, 5.47]1 study · 54 participantsModerate
Summary of findings table ‐ Emicuzimab 1.5 mg/kg weekly prophylaxis vs on‐demand therapy
Serious adverse events · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 0.5 [0.03, 7.54]1 study · 54 participantsModerate
Summary of findings table ‐ Emicuzimab 3.0 mg/kg bi‐weekly prophylaxis vs on‐demand therapy
Annualized Bleeding Rate (ABR) ‐ All treated bleeds · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 53 participantsModerate
Summary of findings table ‐ Emicizumab prophylaxis vs on‐demand therapy
Annualized joint Bleeding Rate (AjBR) · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 53 participantsModerate
Summary of findings table ‐ Emicuzimab 3.0 mg/kg bi‐weekly prophylaxis vs on‐demand therapy
Annualized joint Bleeding Rate (AjBR) · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 53 participantsModerate
Summary of findings table ‐ Emicuzimab 3.0 mg/kg bi‐weekly prophylaxis vs on‐demand therapy
Annualized spontaneous Bleeding Rate (AsBR) · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 53 participantsModerate
Summary of findings table ‐ Emicuzimab 3.0 mg/kg bi‐weekly prophylaxis vs on‐demand therapy
Proportion of participants with zero bleeds · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 15.31 [0.96, 242.76]1 study · 53 participantsLow
Summary of findings table ‐ Emicuzimab 3.0 mg/kg bi‐weekly prophylaxis vs on‐demand therapy
Change in total score, Haem‐A‐QoLScale from: 0 (better) to 100 · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 53 participantsLow
Summary of findings table ‐ Emicuzimab 3.0 mg/kg bi‐weekly prophylaxis vs on‐demand therapy
All adverse events · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 1.71 [1.06, 2.77]1 study · 53 participantsModerate
Summary of findings table ‐ Emicuzimab 3.0 mg/kg bi‐weekly prophylaxis vs on‐demand therapy
Serious adverse events · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 1.54 [0.17, 13.79]1 study · 53 participantsModerate
Summary of findings table ‐ Emicizumab 1.5 mg/kg once weekly vs emicizumab 3.0 mg/kg every 2 weeks
Annualized Bleeding Rate (ABR) ‐ All treated bleeds · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 71 participantsModerate
Summary of findings table ‐ Emicizumab 1.5 mg/kg once weekly vs emicizumab 3.0 mg/kg every 2 weeks
Annualized joint Bleeding Rate (AjBR) · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 71 participantsModerate
Summary of findings table ‐ Emicizumab 1.5 mg/kg once weekly vs emicizumab 3.0 mg/kg every 2 weeks
Annualized spontaneous Bleeding Rate (AsBR) · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 71 participantsModerate
Summary of findings table ‐ Emicizumab 1.5 mg/kg once weekly vs emicizumab 3.0 mg/kg every 2 weeks
Proportion of participants with zero bleeds · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 1.25 [0.74, 2.1]1 study · 71 participantsModerate
Summary of findings table ‐ Emicizumab prophylaxis vs on‐demand therapy
Proportion with zero bleeds · people with inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 11.31 [1.66, 77.3]1 study · 53 participantsModerate
Summary of findings table ‐ Emicizumab 1.5 mg/kg once weekly vs emicizumab 3.0 mg/kg every 2 weeks
Change in total score, Haem‐A‐QoL Scale from: 0 (better) to 100 · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 63 participantsLow
Summary of findings table ‐ Emicizumab 1.5 mg/kg once weekly vs emicizumab 3.0 mg/kg every 2 weeks
All adverse events · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 1.1 [0.04, 2.97]1 study · 71 participantsModerate
Summary of findings table ‐ Emicizumab 1.5 mg/kg once weekly vs emicizumab 3.0 mg/kg every 2 weeks
Serious adverse events · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 0.32 [0.04, 2.97]1 study · 71 participantsModerate
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
Annualized Bleeding Rate (ABR) ‐ All treated bleeds · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 119 participantsModerate
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
Annualized joint Bleeding Rate (AjBR) · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 119 participantsModerate
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
Annualized spontaneous Bleeding Rate (AsBR) · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 119 participantsModerate
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
Proportion with zero bleeds · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 8.1 [2.04, 32.11]1 study · 119 participantsModerate
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
Change in total scores, Haem‐A‐QoL Scale from: 0 (better) to 100 · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
no estimate extracted1 study · 103 participantsLow
Summary of findings table ‐ Fitusiran prophylaxis vs on‐demand therapy
All adverse events · people without inhibitors
Non‐clotting factor therapies for preventing bleeds in people with congenital hemophilia A or B (2024) · Cochrane
RR 1.74 [1.21, 2.5]1 study · 119 participantsModerate