Cochrane · systematic review · CD010640

Iron therapy in anaemic adults without chronic kidney disease

Gurusamy, KS, Nagendran, M, Broadhurst, JF, et al. · Cochrane Database of Systematic Reviews · 2014 · Cochrane Library

InjuriesAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
17
current version
GRADE rated
17
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 16 · 94.1%Low 1 · 5.9%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Oral iron vs inactive control for anaemic patients

Population: patients with anaemia
6 questions
OutcomeEffectEvidenceStatus / GRADE
Mortality
Oral iron vs inactive control
RR 1.05 [0.68, 1.61]4 studies · 659 participantsVery low
Downgraded: risk of bias
Proportion requiring blood transfusion
Oral iron vs inactive control
RR 0.74 [0.55, 0.99]3 studies · 546 participantsVery low
Downgraded: risk of bias
Length of hospital stay
Oral iron vs inactive control
no estimate extracted1 study · 300 participantsVery low
Downgraded: risk of bias
Haemoglobin g/dL
Oral iron vs inactive control
no estimate extracted4 studies · 402 participantsVery low
Downgraded: risk of bias, inconsistency
Quality of life
Oral iron vs inactive control
no estimate extracted1 study · 276 participantsVery low
Downgraded: risk of bias
Serious adverse events
Oral iron vs inactive control
RR 0.96 [0.76, 1.22]5 studies · 731 participantsVery low
Downgraded: risk of bias

Parenteral iron vs inactive control for anaemic patients

Population: patients with anaemia
5 questions
OutcomeEffectEvidenceStatus / GRADE
Mortality
Parenteral iron vs inactive control
RR 1.04 [0.63, 1.69]10 studies · 2141 participantsVery low
Downgraded: risk of bias, publication bias
Proportion requiring blood transfusion
Parenteral iron vs inactive control
RR 0.84 [0.66, 1.06]8 studies · 1315 participantsVery low
Downgraded: risk of bias
Haemoglobin g/dL
Parenteral iron vs inactive control
no estimate extracted9 studies · 1371 participantsVery low
Downgraded: risk of bias, inconsistency
Quality of life
Parenteral iron vs inactive control
no estimate extracted4 studies · 1629 participantsVery low
Downgraded: risk of bias, inconsistency, publication bias
Serious adverse events
Parenteral iron vs inactive control
RR 1 [0.74, 1.34]7 studies · 1802 participantsVery low
Downgraded: risk of bias, publication bias

Parenteral iron vs oral iron for anaemic patients

Population: patients with anaemia
6 questions
OutcomeEffectEvidenceStatus / GRADE
Mortality
Parenteral iron vs oral iron
RR 1.49 [0.56, 3.94]6 studies · 1009 participantsVery low
Downgraded: risk of bias, publication bias
Proportion requiring blood transfusion
Parenteral iron vs oral iron
RR 0.61 [0.24, 1.58]2 studies · 371 participantsVery low
Downgraded: risk of bias, inconsistency, publication bias
Mean blood transfused units
Parenteral iron vs oral iron
no estimate extracted1 study · 44 participantsVery low
Downgraded: risk of bias, publication bias
Haemoglobin g/dL
Parenteral iron vs oral iron
no estimate extracted6 studies · 769 participantsLow
Downgraded: risk of bias, publication bias
Quality of life
Parenteral iron vs oral iron
no estimate extracted3 studies · 771 participantsVery low
Downgraded: risk of bias, publication bias
Serious adverse events
Parenteral iron vs oral iron
RR 1.23 [0.99, 1.54]7 studies · 1100 participantsVery low
Downgraded: risk of bias