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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)

1,558 questions in 115 reviews · Vascular

current versions
No studies 346 · 22.2%Ungraded 90 · 5.8%Very low 281 · 18%Low 477 · 30.6%Moderate 313 · 20.1%High 51 · 3.3%

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
Outpatient vs inpatient treatment
Short‐term all‐cause mortality · people with low‐risk acute pulmonary embolism
Outpatient versus inpatient treatment for acute pulmonary embolism (2022) · Cochrane
no estimate extracted2 studies · 453 participantsLow
Outpatient vs inpatient treatment
Short‐term all‐cause mortality · people with low‐risk acute pulmonary embolism
Outpatient versus inpatient treatment for acute pulmonary embolism (2022) · Cochrane
RR 0.33 [0.01, 7.98]2 studies · 453 participantsLow
Outpatient vs inpatient treatment
Long‐term all‐cause mortality · people with low‐risk acute pulmonary embolism
Outpatient versus inpatient treatment for acute pulmonary embolism (2022) · Cochrane
RR 0.98 [0.06, 15.58]2 studies · 451 participantsLow
Outpatient vs inpatient treatment
Major bleeding · people with low‐risk acute pulmonary embolism
Outpatient versus inpatient treatment for acute pulmonary embolism (2022) · Cochrane
RR 4.91 [0.24, 101.57]2 studies · 445 participantsLow
Outpatient vs inpatient treatment
Major bleeding · people with low‐risk acute pulmonary embolism
Outpatient versus inpatient treatment for acute pulmonary embolism (2022) · Cochrane
RR 6.88 [0.36, 132.14]2 studies · 445 participantsLow
Outpatient vs inpatient treatment
Minor bleeding · people with low‐risk acute pulmonary embolism
Outpatient versus inpatient treatment for acute pulmonary embolism (2022) · Cochrane
RR 1.08 [0.07, 16.79]1 study · 106 participantsLow
Outpatient vs inpatient treatment
Recurrent PE · people with low‐risk acute pulmonary embolism
Outpatient versus inpatient treatment for acute pulmonary embolism (2022) · Cochrane
RR 2.952 studies · 445 participantsLow
Corticosteroids vs no corticosteroid use
Incidence of coronary artery abnormalities · children diagnosed with Kawasaki disease
Corticosteroids for the treatment of Kawasaki disease in children (2022) · Cochrane
OR 0.32 [0.14, 0.75]8 studies · 986 participantsModerate
Corticosteroids vs no corticosteroid use
Incidence of any serious adverse effects attributable to the administration of corticosteroids · children diagnosed with Kawasaki disease
Corticosteroids for the treatment of Kawasaki disease in children (2022) · Cochrane
no estimate extracted6 studies · 737 participantsModerate
Corticosteroids vs no corticosteroid use
Mortality (all‐cause) · children diagnosed with Kawasaki disease
Corticosteroids for the treatment of Kawasaki disease in children (2022) · Cochrane
no estimate extracted8 studies · 1075 participantsModerate
Corticosteroids vs no corticosteroid use
Duration of clinical symptoms: fever and rash (days) · children diagnosed with Kawasaki disease
Corticosteroids for the treatment of Kawasaki disease in children (2022) · Cochrane
no estimate extracted3 studies · 290 participantsLow
Corticosteroids vs no corticosteroid use
Time for laboratory parameters to normalise: CRP, ESRe (days) · children diagnosed with Kawasaki disease
Corticosteroids for the treatment of Kawasaki disease in children (2022) · Cochrane
no estimate extracted1 study · 178 participantsModerate
Corticosteroids vs no corticosteroid use
Length of hospital stay (days) · children diagnosed with Kawasaki disease
Corticosteroids for the treatment of Kawasaki disease in children (2022) · Cochrane
no estimate extracted2 studies · 119 participantsModerate
Corticosteroids vs no corticosteroid use
Longer term (> 1 year after disease onset) coronary morbidity (non‐aneurysmal) · children diagnosed with Kawasaki disease
Corticosteroids for the treatment of Kawasaki disease in children (2022) · Cochrane
no estimate extractedNRNo studies
Acute DVT ‐ antiplatelet agents plus BMP vs BMP alone
Recurrent VTE · people requiring treatment for acute DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extracted1 study · 500 participantsVery low
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP alone
Mortality ‐ early and intermediate · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extracted1 study · 224 participantsVery low
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP alone
Post‐thrombotic syndrome · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extractedNRNo studies
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP alone
Adverse events · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extracted1 study · 224 participantsVery low
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP plus placebo
Recurrent VTE ‐ early, intermediate and long term · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
RR 0.65 [0.43, 0.96]4 studies · 901 participantsLow
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP plus placebo
Major bleeding · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
RR 0.98 [0.29, 3.34]1 study · 583 participantsModerate
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP plus placebo
Pulmonary embolism (fatal/non‐fatal) · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
RR 0.52 [0.23, 1.14]1 study · 583 participantsModerate
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP plus placebo
Mortality ‐ intermediate and long term · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
RR 0.48 [0.21, 1.06]3 studies · 649 participantsModerate
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP plus placebo
Post‐thrombotic syndrome · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extractedNRNo studies
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP plus placebo
Adverse events · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
RR 1.57 [0.34, 7.19]2 studies · 621 participantsModerate
Acute DVT ‐ antiplatelet agents plus BMP vs BMP alone
Major bleeding · people requiring treatment for acute DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extracted1 study · 500 participantsVery low
Acute DVT ‐ antiplatelet agents plus BMP vs BMP alone
Pulmonary embolism · people requiring treatment for acute DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extracted1 study · 500 participantsVery low
Acute DVT ‐ antiplatelet agents plus BMP vs BMP alone
Mortality ‐ early and intermediate · people requiring treatment for acute DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extracted1 study · 500 participantsVery low
Acute DVT ‐ antiplatelet agents plus BMP vs BMP alone
Post‐thrombotic syndrome · people requiring treatment for acute DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
RR 0.74 [0.61, 0.91]1 study · 500 participantsVery low
Acute DVT ‐ antiplatelet agents plus BMP vs BMP alone
Adverse events · people requiring treatment for acute DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
RR 2.88 [1.06, 7.8]1 study · 500 participantsVery low
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP alone
Recurrent VTE ‐ early and intermediate · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
RR 0.12 [0.05, 0.34]1 study · 224 participantsVery low
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP alone
Major bleeding · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extracted1 study · 224 participantsVery low
Chronic DVT ‐ antiplatelet agents plus BMP vs BMP alone
Pulmonary embolism · people requiring treatment for chronic DVT
Antiplatelet agents for the treatment of deep venous thrombosis (2022) · Cochrane
no estimate extracted1 study · 224 participantsVery low
Ultrasound‐assisted catheter‐directed thrombolysis plus standard intravenous heparinisation vs standard intravenous heparinisation
All‐cause mortality(7‐day) · people with intermediate‐risk (submassive) APE
Catheter‐directed therapies for the treatment of high risk (massive) and intermediate risk (submassive)… (2022) · Cochrane
no estimate extracted1 study · 59 participantsUngraded
Ultrasound‐assisted catheter‐directed thrombolysis plus standard intravenous heparinisation vs standard intravenous heparinisation
All‐cause mortality (90‐day) · people with intermediate‐risk (submassive) APE
Catheter‐directed therapies for the treatment of high risk (massive) and intermediate risk (submassive)… (2022) · Cochrane
OR 0.31 [0.01, 7.96]1 study · 59 participantsVery low
Ultrasound‐assisted catheter‐directed thrombolysis plus standard intravenous heparinisation vs standard intravenous heparinisation
Treatment‐associated major haemorrhage ( · people with intermediate‐risk (submassive) APE
Catheter‐directed therapies for the treatment of high risk (massive) and intermediate risk (submassive)… (2022) · Cochrane
no estimate extracted1 study · 59 participantsUngraded
Ultrasound‐assisted catheter‐directed thrombolysis plus standard intravenous heparinisation vs standard intravenous heparinisation
Treatment‐associated minor haemorrhage ( · people with intermediate‐risk (submassive) APE
Catheter‐directed therapies for the treatment of high risk (massive) and intermediate risk (submassive)… (2022) · Cochrane
OR 3.11 [0.3, 31.79]1 study · 59 participantsVery low
Ultrasound‐assisted catheter‐directed thrombolysis plus standard intravenous heparinisation vs standard intravenous heparinisation
Recurrent APE requiring retreatment or change to a different APE treatment ( · people with intermediate‐risk (submassive) APE
Catheter‐directed therapies for the treatment of high risk (massive) and intermediate risk (submassive)… (2022) · Cochrane
no estimate extracted1 study · 59 participantsUngraded
Ultrasound‐assisted catheter‐directed thrombolysis plus standard intravenous heparinisation vs standard intravenous heparinisation
Length of hospital stay (days) · people with intermediate‐risk (submassive) APE
Catheter‐directed therapies for the treatment of high risk (massive) and intermediate risk (submassive)… (2022) · Cochrane
no estimate extracted1 study · 59 participantsVery low
Ultrasound‐assisted catheter‐directed thrombolysis plus standard intravenous heparinisation vs standard intravenous heparinisation
Quality of life  · people with intermediate‐risk (submassive) APE
Catheter‐directed therapies for the treatment of high risk (massive) and intermediate risk (submassive)… (2022) · Cochrane
no estimate extracted1 study · 59 participantsUngraded
Avoralstat vs placebo
Risk of HAE attacks (during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
RR 0.99 [0.92, 1.06]1 study · 110 participantsModerate
Berotralstat vs placebo or active control
Mortality (during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
no estimate extractedNRNo studies
Berotralstat vs placebo or active control
Serious adverse events (during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
RR 0.77 [0.02, 24.03]3 studies · 128 participantsLow
Berotralstat vs placebo or active control
Quality of lifeAngioedema Quality of Life scale(lower score is better)(during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
no estimate extracted3 studies · 130 participantsModerate
Berotralstat vs placebo or active control
DisabilityStandardised mean difference (lower is better) (during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
no estimate extracted2 studies · 50 participantsLow
Berotralstat vs placebo or active control
Adverse events(during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
RR 1.03 [0.88, 1.22]3 studies · 128 participantsModerate
C1 esterase inhibitor vs placebo or active control
Risk of HAE attacks (during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
RR 0.29 [0.16, 0.5]1 study · 43 participantsLow
C1 esterase inhibitor vs placebo or active control
Change in number of HAE attacks (per week) · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
no estimate extracted1 study · 45 participantsLow
C1 esterase inhibitor vs placebo or active control
Mortality (during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
no estimate extractedNRNo studies
C1 esterase inhibitor vs placebo or active control
Serious adverse events (during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
RR 0.34 [0.01, 8.14]1 study · 44 participantsVery low
C1 esterase inhibitor vs placebo or active control
Quality of lifestandardised mean difference (lower is better) (during · children or adults with Types I or II HAE
Interventions for the long‐term prevention of hereditary angioedema attacks (2022) · Cochrane
no estimate extracted1 study · 36 participantsLow