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Evidence found and GRADE certainty

35 questions · 38 findings · 3 reviews

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No studies found 21 · 55.3%GRADE not reported 0 · 0%Very low 11 · 28.9%Low 6 · 15.8%Moderate 0 · 0%High 0 · 0%

Intravenous iron with oral iron vs oral iron

Persistent anaemia symptoms Reported by the women · women with postpartum iron deficiency anaemia

It is very uncertain whether intravenous iron with oral iron changes persistent anaemia symptoms ‐ 1 week Visual Analogue Scale ≥ 7 compared with oral iron (Comparison 6) (very low certainty).

3 findings from 1 review

Intravenous iron vs oral iron

Ferritin (µg/L) · people with preoperative anaemia awaiting major surgery

Intravenous iron therapy may leads to higher ferritin preoperatively postintervention (ng/L) compared with oral iron therapy (low certainty).

1 finding from 1 review

Intravenous iron vs oral iron

Haemoglobin (g/dL) · people with preoperative anaemia awaiting major surgery

Intravenous iron therapy may leads to higher haemoglobin levels at end of preoperative treatment (g/dL) compared with oral iron therapy (low certainty).

2 findings from 1 review