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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)

987 questions in 78 reviews · Haematology

current versions
No studies 256 · 25.9%Ungraded 64 · 6.5%Very low 207 · 21%Low 247 · 25%Moderate 163 · 16.5%High 50 · 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
Azithromycin vs placebo or standard of care alone
Serious adverse events during the study period · people with moderate to severe disease (WHO scale 4 to 9)
Antibiotics for the treatment of COVID‐19 (2021) · Cochrane
RR 1.11 [0.89, 1.4]4 studies · 794 participantsModerate
Azithromycin vs placebo or standard of care alone
Any adverse events during the study period · people with moderate to severe disease (WHO scale 4 to 9)
Antibiotics for the treatment of COVID‐19 (2021) · Cochrane
RR 1.2 [0.92, 1.57]3 studies · 355 participantsLow
Azithromycin vs placebo or standard of care alone
Cardiac arrhythmias during the study period · people with moderate to severe disease (WHO scale 4 to 9)
Antibiotics for the treatment of COVID‐19 (2021) · Cochrane
RR 0.92 [0.73, 1.15]4 studies · 7865 participantsModerate
Azithromycin vs placebo or standard of care alone
All‐cause mortality at day 28 · people with mild disease (WHO scale 1 to 3)
Antibiotics for the treatment of COVID‐19 (2021) · Cochrane
RR 1 [0.06, 15.69]3 studies · 876 participantsLow
Azithromycin vs placebo or standard of care alone
Admission to hospital or death within 28 days · people with mild disease (WHO scale 1 to 3)
Antibiotics for the treatment of COVID‐19 (2021) · Cochrane
RR 0.94 [0.57, 1.56]3 studies · 876 participantsLow
Summary of Findings Table ‐ Vitamin D vs placebo or standard care alone
All‐cause mortality at hospital discharge · individualswith moderate to severe disease
Vitamin D supplementation for the treatment of COVID‐19: a living systematic review (2021) · Cochrane
no estimate extracted2 studies · 313 participantsVery low
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
Worsening of clinical status · individualswith moderate to severe disease
Vitamin D supplementation for the treatment of COVID‐19: a living systematic review (2021) · Cochrane
RR 0.52 [0.24, 1.13]1 study · 237 participantsLow
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
Adverse events (any grade) · individualswith moderate to severe disease
Vitamin D supplementation for the treatment of COVID‐19: a living systematic review (2021) · Cochrane
RR 2.98 [0.12, 72.3]1 study · 237 participantsVery low
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 plus standard care vs standard care (plus/minus placebo)
All‐cause mortality assessed up to day 28 · people with COVID‐19 and moderate to severe disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extracted2 studies · 11445 participantsModerate
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 vs placebo or standard care alone
Adverse events within 28 days · people with SARS‐CoV‐2 infection and asymptomatic or mild disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extracted1 study · 4412 participantsLow
Colchicine vs placebo or standard care alone
Serious adverse events within 28 days · people with SARS‐CoV‐2 infection and asymptomatic or mild disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extracted1 study · 4412 participantsModerate
Colchicine plus standard care vs standard care (plus/minus placebo)
Worsening of clinical status: participants with clinical deterioration, defined as new need for invasive mechanical ventilation or death up to day 28 · people with COVID‐19 and moderate to severe disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extracted2 studies · 10916 participantsModerate
Colchicine plus standard care vs standard care (plus/minus placebo)
Improvement of clinical status: participants discharged alive up to day 28 without clinical deterioration or death · people with COVID‐19 and moderate to severe disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extracted1 study · 11340 participantsModerate
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 plus standard care vs standard care (plus/minus placebo)
Adverse events ( · people with COVID‐19 and moderate to severe disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extracted1 study · 72 participantsVery low
Colchicine plus standard care vs standard care (plus/minus placebo)
Serious adverse events ( · people with COVID‐19 and moderate to severe disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extracted1 study · 105 participantsVery low
Colchicine vs placebo or standard care alone
All‐cause mortality up to day 28 · people with SARS‐CoV‐2 infection and asymptomatic or mild disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extracted1 study · 4488 participantsLow
Colchicine vs placebo or standard care alone
Admission to hospital or death within 28 days · people with SARS‐CoV‐2 infection and asymptomatic or mild disease
Colchicine for the treatment of COVID‐19 (2021) · Cochrane
no estimate extracted1 study · 4488 participantsModerate
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
Overall survival · Individuals with Hodgkin lymphoma
Interim PET‐results for prognosis in adults with Hodgkin lymphoma: a systematic review and meta‐analysis of… (2020) · Cochrane
HR 5.09 [2.64, 9.81]9 studies · 1802 participantsModerate
Intervention NR
Progression‐free survival · Individuals with Hodgkin lymphoma
Interim PET‐results for prognosis in adults with Hodgkin lymphoma: a systematic review and meta‐analysis of… (2020) · Cochrane
HR 4.9 [3.47, 6.9]14 studies · 2079 participantsVery low
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
Intervention NR
Overall survival (adjusted effect estimate) · 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 extracted2 studies · 843 participantsModerate
Intervention NR
Progression‐free survival (adjusted effect estimate) · 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 extracted4 studies · 996 participantsLow
Summary of Findings Table ‐ Antithrombin concentrates vs no antithrombin concentrates
All‐cause mortality ‐ Intention‐to‐treat analysis · 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
RR 0.55 [0.26, 1.19]1 study · 40 participantsVery low
Summary of Findings Table ‐ Enoxaparin vs no enoxaparin
Major bleeding · 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 extracted1 study · 224 participantsUngraded
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
First‐time symptomatic venous thromboembolism · 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 extracted1 study · 40 participantsUngraded
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
Venous thromboembolism‐related mortality ‐ Intention‐to‐treat analysis · 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
RR 0.1 [0.01, 1.94]1 study · 40 participantsVery low
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
Asymptomatic venous thromboembolism · 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 extracted0 studies · 0 participantsUngraded
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
Summary of Findings Table ‐ Enoxaparin vs no enoxaparin
First‐time symptomatic venous thromboembolism · 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 extracted1 study · 224 participantsUngraded
Physical exercise vs no physical exercise
Mortality · Adults with haematological malignancies
Aerobic physical exercise for adult patients with haematological malignancies (2019) · Cochrane
RR 1.1 [0.79, 1.52]6 studies · 1172 participantsLow
Physical exercise vs no physical exercise
Quality of Life Scale from: ‐1 to 1 with 1 indicating best outcome · Adults with haematological malignancies
Aerobic physical exercise for adult patients with haematological malignancies (2019) · Cochrane
SMD 0.118 studies · 1259 participantsLow
Physical exercise vs no physical exercise
Physical functioning/QoL Scale from: ‐1 to 1 with 1 indicating best outcome · Adults with haematological malignancies
Aerobic physical exercise for adult patients with haematological malignancies (2019) · Cochrane
SMD 0.158 studies · 1329 participantsLow
Physical exercise vs no physical exercise
Depression/QoL Scale from: ‐1 to 1 with 1 indicating best outcome · Adults with haematological malignancies
Aerobic physical exercise for adult patients with haematological malignancies (2019) · Cochrane
SMD 0.196 studies · 445 participantsLow
Physical exercise vs no physical exercise
Anxiety/QoL Scale from: ‐1 to 1 with 1 indicating best outcome · Adults with haematological malignancies
Aerobic physical exercise for adult patients with haematological malignancies (2019) · Cochrane
SMD 0.036 studies · 445 participantsVery low
Physical exercise vs no physical exercise
Fatigue Scale from: ‐1 to 1 with 1 indicating best outcome · Adults with haematological malignancies
Aerobic physical exercise for adult patients with haematological malignancies (2019) · Cochrane
SMD 0.319 studies · 826 participantsModerate
Physical exercise vs no physical exercise
Serious adverse events · Adults with haematological malignancies
Aerobic physical exercise for adult patients with haematological malignancies (2019) · Cochrane
RR 1.39 [0.94, 2.06]6 studies · 435 participantsVery low