Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,262 questions · 2,405 findings · 248 reviews · Headline outcomes only

No studies found 507 · 21.1%GRADE not reported 93 · 3.9%Very low 657 · 27.3%Low 708 · 29.4%Moderate 387 · 16.1%High 53 · 2.2%

Thromboelastography (TEG) or thromboelastometry (ROTEM) vs any comparison

Mortality within the longest · adults or children with bleeding

Thromboelastography (TEG) or thromboelastometry (ROTEM) may leads to lower mortality longest compared with any comparison (low certainty).

1 finding from 1 review

Thromboelastography (TEG) or thromboelastometry (ROTEM) vs standard laboratory test (SLT)‐guided transfusion

All‐cause mortality · adults or children with bleeding

Thromboelastography (TEG) or thromboelastometry (ROTEM) may leads to lower mortality compared with standard laboratory test (SLT)‐guided transfusion (low certainty).

1 finding from 1 review

Thromboelastography (TEG) or thromboelastometry (ROTEM) vs standard laboratory test (SLT)‐guided transfusion

Proportion of patients receiving PRBCs · adults or children with bleeding

Thromboelastography (TEG) or thromboelastometry (ROTEM) showed no clear difference in proportion of patients receiving PRBCs compared with standard laboratory test (SLT)‐guided transfusion (low certainty).

1 finding from 1 review

Thromboelastography (TEG) or thromboelastometry (ROTEM) vs standard laboratory test (SLT)‐guided transfusion

Proportion of patients receiving FFP · adults or children with bleeding

Thromboelastography (TEG) or thromboelastometry (ROTEM) showed no clear difference in proportion of patients receiving FFP compared with standard laboratory test (SLT)‐guided transfusion (low certainty).

1 finding from 1 review

Thromboelastography (TEG) or thromboelastometry (ROTEM) vs standard laboratory test (SLT)‐guided transfusion

Proportion of patients receiving platelets · adults or children with bleeding

Thromboelastography (TEG) or thromboelastometry (ROTEM) showed no clear difference in proportion of patients receiving platelets compared with standard laboratory test (SLT)‐guided transfusion (low certainty).

1 finding from 1 review

Thromboelastography (TEG) or thromboelastometry (ROTEM) vs standard laboratory test (SLT)‐guided transfusion

Rate of surgical reintervention · adults or children with bleeding

Thromboelastography (TEG) or thromboelastometry (ROTEM) showed no clear difference in rate of surgical reintervention compared with standard laboratory test (SLT)‐guided transfusion (low certainty).

1 finding from 1 review

Thromboelastography (TEG) or thromboelastometry (ROTEM) vs any comparison

Proportion of patients receiving PRBCs · adults or children with bleeding

Thromboelastography (TEG) or thromboelastometry (ROTEM) may leads to lower proportion of patients receiving PRBCs compared with any comparison (low certainty).

1 finding from 1 review

Thromboelastography (TEG) or thromboelastometry (ROTEM) vs any comparison

Proportion of patients receiving FFP · adults or children with bleeding

Thromboelastography (TEG) or thromboelastometry (ROTEM) may leads to lower proportion of patients receiving FFP compared with any comparison (low certainty).

1 finding from 1 review

Thromboelastography (TEG) or thromboelastometry (ROTEM) vs any comparison

Proportion of patients receiving platelets · adults or children with bleeding

Thromboelastography (TEG) or thromboelastometry (ROTEM) may leads to lower proportion of patients receiving platelets compared with any comparison (low certainty).

1 finding from 1 review