Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

771 questions · 791 findings · 66 reviews

No studies found 207 · 26.2%GRADE not reported 47 · 5.9%Very low 172 · 21.7%Low 211 · 26.7%Moderate 107 · 13.5%High 47 · 5.9%

Direct oral anticoagulant (DOAC) prophylaxis vs no prophylaxis

All‐cause mortality · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Direct oral anticoagulant (DOAC) prophylaxis showed no clear difference in mortality compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Direct oral anticoagulant (DOAC) prophylaxis vs no prophylaxis

Pulmonary embolism · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Direct oral anticoagulant (DOAC) prophylaxis probably leads to lower pulmonary embolism compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Direct oral anticoagulant (DOAC) prophylaxis vs no prophylaxis

Symptomatic DVT · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Direct oral anticoagulant (DOAC) prophylaxis showed no clear difference in symptomatic deep vein thrombosis compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Direct oral anticoagulant (DOAC) prophylaxis vs no prophylaxis

Major bleeding · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Direct oral anticoagulant (DOAC) prophylaxis showed no clear difference in major bleeding compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Direct oral anticoagulant (DOAC) prophylaxis vs no prophylaxis

Minor bleeding · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Direct oral anticoagulant (DOAC) prophylaxis showed no clear difference in minor bleeding compared with no prophylaxis (low certainty).

1 finding from 1 review

Vitamin K antagonist (VKA) prophylaxis vs no prophylaxis

Mortality at 6 months: main analysis · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Vitamin K antagonist (VKA) prophylaxis showed no clear difference in mortality at 6 months: main analysis compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Vitamin K antagonist (VKA) prophylaxis vs no prophylaxis

All‐cause mortality · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Vitamin K antagonist (VKA) prophylaxis showed no clear difference in mortality compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Vitamin K antagonist (VKA) prophylaxis vs no prophylaxis

Pulmonary embolism · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

It is very uncertain whether vitamin K antagonist (VKA) prophylaxis changes pulmonary embolism compared with no prophylaxis (very low certainty).

1 finding from 1 review

Vitamin K antagonist (VKA) prophylaxis vs no prophylaxis

Symptomatic DVT · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

It is very uncertain whether vitamin K antagonist (VKA) prophylaxis changes symptomatic deep vein thrombosis compared with no prophylaxis (very low certainty).

1 finding from 1 review

Vitamin K antagonist (VKA) prophylaxis vs no prophylaxis

Major bleeding · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Vitamin K antagonist (VKA) prophylaxis probably leads to higher major bleeding compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Vitamin K antagonist (VKA) prophylaxis vs no prophylaxis

Minor bleeding · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Vitamin K antagonist (VKA) prophylaxis probably leads to higher minor bleeding compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Drain use vs No drain

All‐cause mortality · people undergoing elective pancreatic resections

Drain use showed no clear difference in mortality compared with no drain use following pancreatic surgery (low certainty).

2 findings from 1 review

Active drain vs passive drain

Intra‐abdominal infection · people undergoing elective pancreatic resections

It is very uncertain whether active drain changes intra‐abdominal infection compared with passive drain following pancreatic surgery (very low certainty).

1 finding from 1 review

Active drain vs passive drain

Length of hospital stay · people undergoing elective pancreatic resections

It is very uncertain whether active drain changes length of hospital stay compared with passive drain following pancreatic surgery (very low certainty).

1 finding from 1 review

Early vs late drain removal following pancreatic surgery

All‐cause mortality · people undergoing elective pancreatic resections

It is very uncertain whether early changes mortality compared with late drain removal following pancreatic surgery (very low certainty).

2 findings from 1 review