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
Blood transfusion · people with preoperative anaemia awaiting major surgery
The review found no eligible studies for this question.
1 finding from 1 review
QoL · people with preoperative anaemia awaiting major surgery
The review found no eligible studies for this question.
1 finding from 1 review
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
Blood transfusion · people with preoperative anaemia awaiting major surgery
Iron therapy showed no clear difference in proportion of participants who received a blood transfusion compared with placebo, no treatment or standard care (low certainty).
1 finding from 1 review
Quality of life (validated questionnaire) · people with preoperative anaemia awaiting major surgery
1 finding from 1 review
Haemoglobin (g/dL) · people with preoperative anaemia awaiting major surgery
Iron therapy showed no clear difference in haemoglobin levels at end of preoperative treatment (g/dL) compared with placebo, no treatment or standard care (low certainty).
2 findings from 1 review
Ferritin (µg/L) · people with preoperative anaemia awaiting major surgery
Iron therapy may leads to higher ferritin at the end of preoperative treatment (ng/mL) compared with placebo, no treatment or standard care (low certainty).
1 finding from 1 review
All‐cause mortality · patients with anaemia
It is very uncertain whether parenteral iron changes mortality compared with oral iron (very low certainty).
1 finding from 1 review
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
Amount of blood transfused per patient (in units) · patients with anaemia
1 finding from 1 review
Haemoglobin (g/dL) · patients with anaemia
1 finding from 1 review
Quality of life · patients with anaemia
1 finding from 1 review
Serious adverse events · patients with anaemia
It is very uncertain whether parenteral iron changes serious adverse events compared with oral iron (very low certainty).
1 finding from 1 review
Haemoglobin (g/dL) · non‐anaemic, iron‐deficient adults
1 finding from 1 review
Overall quality of life measured at the end of · non‐anaemic, iron‐deficient adults
1 finding from 1 review
Serum ferritin (ng/mL) · non‐anaemic, iron‐deficient adults
1 finding from 1 review
Bacterial infection · non‐anaemic, iron‐deficient adults
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Peak oxygen consumption taken at the end of · non‐anaemic, iron‐deficient adults
1 finding from 1 review
Serious adverse events · non‐anaemic, iron‐deficient adults
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found