Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

39 questions · 39 findings · 6 reviews · Haematology

No studies found 6 · 15.4%GRADE not reported 1 · 2.6%Very low 8 · 20.5%Low 9 · 23.1%Moderate 11 · 28.2%High 4 · 10.3%

Thrombopoietin mimetics vs placebo

Number of participants with at least 1 bleeding episode · People with chronic bone marrow failure

Thrombopoietin mimetic showed no clear difference in number of participants with at least one bleeding episode compared with placebo (low certainty).

1 finding from 1 review

Thrombopoietin mimetics vs placebo

Number of participants with severe or life‐threatening bleeding · People with chronic bone marrow failure

Thrombopoietin mimetic showed no clear difference in number of participants with at least one severe or life‐threatening… compared with placebo (low certainty).

1 finding from 1 review

Thrombopoietin mimetics vs placebo

Proportion of patients receiving platelets · People with chronic bone marrow failure

Thrombopoietin mimetic probably leads to lower proportion of participants receiving a platelet transfusion compared with placebo (moderate certainty).

1 finding from 1 review

Heparin vs no treatment

Mortality attributable to hepatic veno‐occlusive disease ( · People undergoing autologous or HLA identical allogeneic bone marrow transplant with a variety of malignant diseases or aplastic anaemia

Summary of findings: Heparin showed no clear difference in mortality attributable to hepatic veno‐occlusive disease ( compared with no treatment (low certainty).

1 finding from 1 review

Heparin vs no treatment

Frequency of adverse events ( · People undergoing autologous or HLA identical allogeneic bone marrow transplant with a variety of malignant diseases or aplastic anaemia

It is very uncertain whether summary of findings: Heparin changes frequency of adverse events ( compared with no treatment (very low certainty).

1 finding from 1 review

Heparin vs no treatment

Incidence of hepatic veno‐occlusive disease ( · People undergoing autologous or HLA identical allogeneic bone marrow transplant with a variety of malignant diseases or aplastic anaemia

It is very uncertain whether summary of findings: Heparin changes incidence of hepatic veno‐occlusive disease ( compared with no treatment (very low certainty).

1 finding from 1 review

Heparin vs no treatment

Overall survival ( · People undergoing autologous or HLA identical allogeneic bone marrow transplant with a variety of malignant diseases or aplastic anaemia

It is very uncertain whether summary of findings: Heparin changes overall survival ( compared with no treatment (very low certainty).

1 finding from 1 review