Findings

What do systematic reviews say?

3 questions · 3 findings · 1 reviews · Injuries

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 3 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Blood transfusion · patients with anaemia

It is very uncertain whether parenteral iron changes proportion requiring blood transfusion compared with oral iron (very low certainty).

1 finding from 1 review

Iron therapy in anaemic adults without chronic kidney disease 2014 · Cochrane Headline outcomes only
RR 0.61 [0.24, 1.58]
2 studies · 371 participants
Very low

Blood transfusion · patients with anaemia

It is very uncertain whether oral iron changes proportion requiring blood transfusion compared with inactive control (very low certainty).

1 finding from 1 review

Iron therapy in anaemic adults without chronic kidney disease 2014 · Cochrane Headline outcomes only
RR 0.74 [0.55, 0.99]
3 studies · 546 participants
Very low

Blood transfusion · patients with anaemia

It is very uncertain whether parenteral iron changes proportion requiring blood transfusion compared with inactive control (very low certainty).

1 finding from 1 review

Iron therapy in anaemic adults without chronic kidney disease 2014 · Cochrane Headline outcomes only
RR 0.84 [0.66, 1.06]
8 studies · 1315 participants
Very low