Cochrane · systematic review · CD010983

Comparison of different platelet count thresholds to guide administration of prophylactic platelet transfusion for preventing bleeding in people with haematological disorders after myelosuppressive chemotherapy or stem cell transplantation

Estcourt, LJ, Stanworth, SJ, Doree, C, et al. · Cochrane Database of Systematic Reviews · 2015 · Cochrane Library

HaematologyAMSTAR 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
7
current version
GRADE rated
6
No studies
1
Included studies
NR
No studies 1 · 14.3%Ungraded 0 · 0%Very low 0 · 0%Low 6 · 85.7%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

Prophylactic platelet transfusion at threshold of 10,000 compared to higher transfusion threshold (20,000 or 30,000) for people with a haematological disorder

Population: People with a haematological disorder
7 questions
OutcomeEffectEvidenceStatus / GRADE
Numbers of participants with at least 1 clinically significant bleeding event up to 30 days from study entry
Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)
RR 1.35 [0.95, 1.9]3 studies · 499 participantsLow
Downgraded: imprecision
Number of days on which clinically significant bleeding occurred per participant up to 30 days from study entry
Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)
no estimate extracted1 study · 255 participantsLow
Downgraded: imprecision
Number of participants with WHO Grade 3 or 4 bleeding up to 30 days from study entry
Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)
RR 0.99 [0.52, 1.88]2 studies · 421 participantsLow
Downgraded: imprecision
Time to first bleeding episode (days)
Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)
HR 1.11 [0.64, 1.91]1 study · 255 participantsLow
Downgraded: imprecision
Number of platelet transfusions per participant up to 30 days from study entry
Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)
no estimate extracted2 studies · 333 participantsLow
Downgraded: imprecision
Mortality from all causes up to 30 days from study entry
Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)
RR 1.78 [0.83, 3.81]1 study · 255 participantsLow
Downgraded: imprecision
Quality of life ‐ not reported
Prophylactic platelet transfusion at threshold of 10,000 vs higher transfusion threshold (20,000 or 30,000)
no estimate extractedNRNo studies