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Evidence found and GRADE certainty

47 questions · 64 findings · 6 reviews

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No studies found 18 · 28.1%GRADE not reported 16 · 25%Very low 20 · 31.3%Low 6 · 9.4%Moderate 1 · 1.6%High 3 · 4.7%

Oral iron sulphate vs oral iron hydroxide polymaltose complex

Serious adverse events ‐ active or inactive disease (14 days) · IBD patients

It is very uncertain whether oral iron sulphate changes serious adverse events ‐ active or inactive disease (14 days) compared with oral iron hydroxide polymaltose complex (very low certainty).

1 finding from 1 review

IV or oral iron alone vs no treatment

Red blood cell transfusions (Subnet based on 69 studies including 18,684 participants) · patients at any age with solid cancer or haematological malignancy

IV or oral iron alone showed no clear difference in red blood cell transfusions (Subnet based on 69 studies including… compared with no treatment (low certainty).

1 finding from 1 review

IV or oral iron alone vs no treatment

Overall mortality4 (Subnet based on 71 studies including 21,576 participants) · patients at any age with solid cancer or haematological malignancy

IV or oral iron alone showed no clear difference in overall mortality4 (Subnet based on 71 studies including 21,576… compared with no treatment (low certainty).

1 finding from 1 review

IV or oral iron alone vs no treatment

On‐study mortality3 (Subnet based on 55 studies including 15,074 participants) · patients at any age with solid cancer or haematological malignancy

IV or oral iron alone showed no clear difference in on‐study mortality3 (Subnet based on 55 studies including 15,074… compared with no treatment (low certainty).

1 finding from 1 review