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%

Prophylactic vs selective blood transfusion

Severe maternal morbidity (congestive cardiac failure) · patients with sickle cell disease in pregnancy

It is very uncertain whether prophylactic changes severe maternal morbidity (congestive cardiac failure) compared with selective blood transfusion (very low 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 vs non prophylactic or therapeutic platelet transfusion

Bleeding: Number of days on which a significant bleeding event occurred3 · People with a haematological disorder

Prophylactic platelet transfusion showed no clear difference in bleeding: Number of days on which a significant bleeding event… compared with non prophylactic or therapeutic platelet transfusion (low certainty).

1 finding from 1 review

Prophylactic platelet transfusion vs non prophylactic or therapeutic platelet transfusion

Mortality: secondary to bleeding · People with a haematological disorder

Prophylactic platelet transfusion showed no clear difference in mortality: Secondary to bleeding compared with non prophylactic or therapeutic platelet transfusion (low certainty).

1 finding from 1 review

Prophylactic CPAP vs mechanical ventilation

Combined outcome of death and bronchopulmonary dysplasia defined as death at any time and oxygen dependency at 36 weeks' postmenstrual age · preterm infants

Prophylactic CPAP probably leads to lower combined outcome of death and bronchopulmonary dysplasia defined as… compared with mechanical ventilation (moderate certainty).

1 finding from 1 review

Prophylactic CPAP vs mechanical ventilation

Failed treatment defined as the need for mechanical ventilation · preterm infants

Prophylactic CPAP probably leads to lower failed treatment defined as the need for mechanical ventilation compared with mechanical ventilation (moderate certainty).

1 finding from 1 review