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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)

256 questions in 49 reviews · Haematology

current versions
No studies 256 · 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
Vitamin K antagonist (VKA) vs low molecular weight heparin (LMWH)
Major bleeding ‐ not reported · ambulatory patients with multiple myeloma receiving immunomodulatory agents
Antithrombotic therapy for ambulatory patients with multiple myeloma receiving immunomodulatory agents (2021) · Cochrane
no estimate extractedNRNo studies
Vitamin K antagonist (VKA) vs low molecular weight heparin (LMWH)
Major bleeding ‐ not reported · ambulatory patients with multiple myeloma receiving immunomodulatory agents
Antithrombotic therapy for ambulatory patients with multiple myeloma receiving immunomodulatory agents (2021) · Cochrane
no estimate extractedNRNo studies
Vitamin K antagonist (VKA) vs low molecular weight heparin (LMWH)
Minor bleeding ‐ not reported · ambulatory patients with multiple myeloma receiving immunomodulatory agents
Antithrombotic therapy for ambulatory patients with multiple myeloma receiving immunomodulatory agents (2021) · Cochrane
no estimate extractedNRNo studies
Aspirin (ASA) vs direct oral anticoagulants (DOAC)
All‐cause mortality ‐ not reported · ambulatory patients with multiple myeloma receiving immunomodulatory agents
Antithrombotic therapy for ambulatory patients with multiple myeloma receiving immunomodulatory agents (2021) · Cochrane
no estimate extractedNRNo studies
Aspirin (ASA) vs direct oral anticoagulants (DOAC)
Symptomatic deep vein thrombosis ‐ not reported · ambulatory patients with multiple myeloma receiving immunomodulatory agents
Antithrombotic therapy for ambulatory patients with multiple myeloma receiving immunomodulatory agents (2021) · Cochrane
no estimate extractedNRNo studies
Aspirin (ASA) vs direct oral anticoagulants (DOAC)
Major bleeding ‐ not reported · ambulatory patients with multiple myeloma receiving immunomodulatory agents
Antithrombotic therapy for ambulatory patients with multiple myeloma receiving immunomodulatory agents (2021) · Cochrane
no estimate extractedNRNo studies
Aspirin (ASA) vs vitamin K antagonist (VKA)
Major bleeding ‐ not reported · ambulatory patients with multiple myeloma receiving immunomodulatory agents
Antithrombotic therapy for ambulatory patients with multiple myeloma receiving immunomodulatory agents (2021) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Vitamin D vs placebo or standard care alone
Improvement of clinical status · individualswith moderate to severe disease
Vitamin D supplementation for the treatment of COVID‐19: a living systematic review (2021) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Vitamin D vs placebo or standard care alone
Quality of life, including fatigue and neurological status · individualswith moderate to severe disease
Vitamin D supplementation for the treatment of COVID‐19: a living systematic review (2021) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Vitamin D vs placebo or standard care alone
Serious adverse events · individualswith moderate to severe disease
Vitamin D supplementation for the treatment of COVID‐19: a living systematic review (2021) · Cochrane
no estimate extractedNRNo studies
Colchicine vs placebo or standard care alone
Duration to symptom resolution · people with SARS‐CoV‐2 infection and asymptomatic or mild disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extractedNRNo studies
Colchicine vs placebo or standard care alone
Quality of life · people with SARS‐CoV‐2 infection and asymptomatic or mild disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extractedNRNo studies
Colchicine plus standard care vs standard care (plus/minus placebo)
Quality of life, including fatigue and neurological status at longest · people with COVID‐19 and moderate to severe disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extractedNRNo studies
Colchicine vs placebo or standard care alone
Symptom resolution · people with SARS‐CoV‐2 infection and asymptomatic or mild disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Adverse events associated with PET ‐ not reported · Individuals with Hodgkin lymphoma
Interim PET‐results for prognosis in adults with Hodgkin lymphoma: a systematic review and meta‐analysis of… (2020) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Enoxaparin vs no enoxaparin
Thrombosis‐related mortality ‐ not reported · adults with acute lymphoblastic leukaemia treated with asparaginase‐based chemotherapy
Prophylaxis of thromboembolism during therapy with asparaginase in adults with acute lymphoblastic leukaemia (2020) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Enoxaparin vs no enoxaparin
Quality of life ‐ not reported · adults with acute lymphoblastic leukaemia treated with asparaginase‐based chemotherapy
Prophylaxis of thromboembolism during therapy with asparaginase in adults with acute lymphoblastic leukaemia (2020) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Enoxaparin vs no enoxaparin
Asymptomatic venous thromboembolism ‐ not reported · adults with acute lymphoblastic leukaemia treated with asparaginase‐based chemotherapy
Prophylaxis of thromboembolism during therapy with asparaginase in adults with acute lymphoblastic leukaemia (2020) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Enoxaparin vs no enoxaparin
Adverse events: clinically relevant non‐major bleeding / heparin‐induced thrombocytopenia ‐ not reported · adults with acute lymphoblastic leukaemia treated with asparaginase‐based chemotherapy
Prophylaxis of thromboembolism during therapy with asparaginase in adults with acute lymphoblastic leukaemia (2020) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Antithrombin concentrates vs no antithrombin concentrates
Major bleeding ‐ not reported · thromboprophylaxis in adults with acute lymphoblastic leukaemia treated with asparaginase‐based chemotherapy
Prophylaxis of thromboembolism during therapy with asparaginase in adults with acute lymphoblastic leukaemia (2020) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Antithrombin concentrates vs no antithrombin concentrates
Quality of life ‐ not reported · thromboprophylaxis in adults with acute lymphoblastic leukaemia treated with asparaginase‐based chemotherapy
Prophylaxis of thromboembolism during therapy with asparaginase in adults with acute lymphoblastic leukaemia (2020) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Antithrombin concentrates vs no antithrombin concentrates
Clinically relevant non‐major bleeding ‐ not reported · thromboprophylaxis in adults with acute lymphoblastic leukaemia treated with asparaginase‐based chemotherapy
Prophylaxis of thromboembolism during therapy with asparaginase in adults with acute lymphoblastic leukaemia (2020) · Cochrane
no estimate extractedNRNo studies
Summary of Findings Table ‐ Enoxaparin vs no enoxaparin
All‐cause mortality ‐ not reported · adults with acute lymphoblastic leukaemia treated with asparaginase‐based chemotherapy
Prophylaxis of thromboembolism during therapy with asparaginase in adults with acute lymphoblastic leukaemia (2020) · Cochrane
no estimate extractedNRNo studies
MSCs vs control/placebo
Health‐related quality of life · patients with a haematological condition who receive a haematopoietic stem cell transplant as treatment for their…
Mesenchymal stromal cells as treatment or prophylaxis for acute or chronic graft‐versus‐host disease in… (2019) · Cochrane
no estimate extractedNRNo studies
Prophylactic plasma transfusion before surgery/invasive procedures vs alternative haemostatic agents
Number of transfusions per participant within 7 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Prophylactic plasma transfusion before surgery/invasive procedures vs alternative haemostatic agents
Number of individuals requiring a transfusion within 7 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Prophylactic plasma transfusion before surgery/invasive procedures vs alternative haemostatic agents
Serious adverse events measured by surgery or procedure‐related complications within 30 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Prophylactic plasma transfusion before surgery/invasive procedures vs alternative haemostatic agents
Quality of life ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Thromboelastography threshold vs standard of care (laboratory parameters)
All‐cause mortality up to 30 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Thromboelastography threshold vs standard of care (laboratory parameters)
Number of transfusions per participant within 7 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Thromboelastography threshold vs standard of care (laboratory parameters)
Serious adverse events measured by surgery or procedure‐related complications within 30 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Thromboelastography threshold vs standard of care (laboratory parameters)
Quality of life ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Prophylactic plasma transfusion before surgery/invasive procedures vs no prophylactic plasma transfusion before surgery/invasive procedures (colloid, crystalloid, placebo, or no treatment)
Serious adverse events measured by surgery or procedure‐related complications within 30 days ‐ not reported · patients undergoing non‐cardiac surgery or invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Prophylactic plasma transfusion before surgery/invasive procedures vs no prophylactic plasma transfusion before surgery/invasive procedures (colloid, crystalloid, placebo, or no treatment)
Quality of life ‐ not reported · patients undergoing non‐cardiac surgery or invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Prophylactic plasma transfusion before surgery/invasive procedures vs alternative haemostatic agents
All‐cause mortality up to 30 days ‐ not reported · patients undergoing non‐cardiac surgery/invasive procedures
Prophylactic plasma transfusion for patients without inherited bleeding disorders or anticoagulant use… (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Polyneuropathies · newly diagnosed, transplant‐ineligible adults with symptomatic multiple myeloma
Multiple drug combinations of bortezomib, lenalidomide, and thalidomide for first‐line treatment in adults… (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Serious adverse events · newly diagnosed, transplant‐ineligible adults with symptomatic multiple myeloma
Multiple drug combinations of bortezomib, lenalidomide, and thalidomide for first‐line treatment in adults… (2019) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · newly diagnosed, transplant‐ineligible adults with symptomatic multiple myeloma
Multiple drug combinations of bortezomib, lenalidomide, and thalidomide for first‐line treatment in adults… (2019) · Cochrane
no estimate extractedNRNo studies
ATRA in addition to chemotherapy vs chemotherapy only
Quality of life · adults with acute myeloid leukaemia (AML) (non‐acute promyelocytic leukaemia (APL))
Effects of all‐trans retinoic acid (ATRA) in addition to chemotherapy for adults with acute myeloid… (2018) · Cochrane
no estimate extractedNRNo studies
Platelet transfusion vs no platelet transfusion
All‐cause mortality up to 30 days after the procedure · People with thrombocytopenia
Use of platelet transfusions prior to lumbar punctures or epidural anaesthesia for the prevention of… (2018) · Cochrane
no estimate extractedNRNo studies
Platelet transfusion vs no platelet transfusion
Transfusion‐related complications within 24 hours of the procedure · People with thrombocytopenia
Use of platelet transfusions prior to lumbar punctures or epidural anaesthesia for the prevention of… (2018) · Cochrane
no estimate extractedNRNo studies
Platelet transfusion vs no platelet transfusion
Quality of life (as defined by the individual studies) · People with thrombocytopenia
Use of platelet transfusions prior to lumbar punctures or epidural anaesthesia for the prevention of… (2018) · Cochrane
no estimate extractedNRNo studies
Nivolumab vs no other intervention
Treatment‐related mortality · adults with Hodgkin's lymphoma
Nivolumab for adults with Hodgkin's lymphoma (a rapid review using the software RobotReviewer) (2018) · Cochrane
no estimate extractedNRNo studies
Prophylactic platelet transfusion prior to surgery vs alternative treatments
Mortality secondary to thromboembolism within 30 days of surgery – not reported · people with a low platelet count
Prophylactic platelet transfusions prior to surgery for people with a low platelet count (2018) · Cochrane
no estimate extractedNRNo studies
Prophylactic platelet transfusion prior to surgery vs alternative treatments
Mortality secondary to infection within 30 days of surgery – not reported · people with a low platelet count
Prophylactic platelet transfusions prior to surgery for people with a low platelet count (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
All‐cause mortality within 30 days of surgery – not reported · people with a low platelet count
Prophylactic platelet transfusions prior to surgery for people with a low platelet count (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Mortality secondary to bleeding within 30 days of surgery – not reported · people with a low platelet count
Prophylactic platelet transfusions prior to surgery for people with a low platelet count (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Mortality secondary to thromboembolism within 30 days of surgery – not reported · people with a low platelet count
Prophylactic platelet transfusions prior to surgery for people with a low platelet count (2018) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Mortality secondary to infection within 30 days of surgery – not reported · people with a low platelet count
Prophylactic platelet transfusions prior to surgery for people with a low platelet count (2018) · Cochrane
no estimate extractedNRNo studies
Prophylactic platelet transfusion prior to surgery vs no prophylactic platelet transfusion prior to surgery
Mortality secondary to bleeding within 30 days of surgery – not reported · people with a low platelet count
Prophylactic platelet transfusions prior to surgery for people with a low platelet count (2018) · Cochrane
no estimate extractedNRNo studies