Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

959 questions · 987 findings · 78 reviews · Haematology

No studies found 256 · 25.9%GRADE not reported 64 · 6.5%Very low 207 · 21%Low 247 · 25%Moderate 163 · 16.5%High 50 · 5.1%

Intervention not reported

Overall survival · patients with cancer

The intervention showed no clear difference in overall survival (high certainty).

1 finding from 1 review

Intervention not reported

On‐study mortality Death occurring up to 30 days after active study protocol · patients with cancer

The intervention leads to higher on‐study mortality Death occurring up to 30 days after active study… (high certainty).

1 finding from 1 review

Intervention not reported

Thrombotic events · patients with cancer

The intervention probably leads to higher thrombotic events (moderate certainty).

1 finding from 1 review

Intervention not reported

Quality of Life ‐ Change in FACT‐Fatigue (13 items) FACT‐F 13 sub‐scale · patients with cancer
1 finding from 1 review

Intervention not reported

Quality of Life ‐ Change in FACT‐Anaemia (20 items) FACT‐An 20 · patients with cancer
1 finding from 1 review

Intervention not reported

Participants receiving red blood cell transfusions · patients with cancer

The intervention probably leads to lower participants receiving red blood cell transfusions (moderate certainty).

1 finding from 1 review

Prophylactic platelet transfusion vs non prophylactic or therapeutic platelet transfusion

Bleeding: Numbers of patients with at least one significant bleeding event · People with a haematological disorder

Prophylactic platelet transfusion showed no clear difference in bleeding: Numbers of patients with at least one significant bleeding… compared with non prophylactic or therapeutic platelet transfusion (low certainty).

1 finding from 1 review

Prophylactic platelet transfusion with one dose schedule vs prophylactic platelet transfusions with another dose schedule

Bleeding: Numbers of patients with at least one significant bleeding event · People with a haematological disorder

Prophylactic platelet transfusion with one dose schedule showed no clear difference in bleeding Number of participants with a significant bleeding event ‐… compared with prophylactic platelet transfusions with another dose schedule (high certainty).

2 findings from 1 review

Prophylactic platelet transfusion with one dose schedule vs prophylactic platelet transfusions with another dose schedule

Bleeding Number of days with significant bleeding ‐ Low dosage platelet transfusions versus standard dosage platelet transfusions · People with a haematological disorder
1 finding from 1 review

Prophylactic platelet transfusion with one dose schedule vs prophylactic platelet transfusions with another dose schedule

Bleeding: Number of days with significant bleeding ‐ High dosage platelet transfusions versus standard dosage platelet transfusions · People with a haematological disorder
1 finding from 1 review

Prophylactic platelet transfusion with one dose schedule vs prophylactic platelet transfusions with another dose schedule

Mortality: secondary to bleeding · People with a haematological disorder
2 findings from 1 review

Prophylactic platelet transfusion vs platelet‐poor plasma

Bleeding: Numbers of patients with at least one significant bleeding event · People with a haematological disorder

It is very uncertain whether prophylactic platelet transfusion changes number of participants with a significant bleeding event compared with platelet‐poor plasma (very low certainty).

1 finding from 1 review