Symptomatic recurrent VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in symptomatic recurrent VTE at 3 months compared with intravenous unfractionated heparin (low certainty).
1 finding from 1 review
Symptomatic recurrent DVT at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in symptomatic recurrent DVT at 3 months compared with intravenous unfractionated heparin (low certainty).
1 finding from 1 review
PE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in PE at 3 months compared with intravenous unfractionated heparin (low certainty).
1 finding from 1 review
VTE‐related mortality4 · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in VTE‐related mortality at 3 months compared with intravenous unfractionated heparin (low certainty).
1 finding from 1 review
Major bleedingd (3 months) · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in major bleedingd (7 days ‐ 12 months) compared with intravenous unfractionated heparin (low certainty).
1 finding from 1 review
All‐cause mortality (5 days to 12 months) · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in all‐cause mortality (5 days to 12 months) compared with intravenous unfractionated heparin (low certainty).
1 finding from 1 review
Asymptomatic VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
PE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in PE at 3 months compared with low molecular weight heparin (low certainty).
1 finding from 1 review
VTE‐related mortality4 · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in VTE‐related mortality at 3 months compared with low molecular weight heparin (low certainty).
1 finding from 1 review
Major bleedingd (3 months) · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in major bleedingd (3 months) compared with low molecular weight heparin (low certainty).
1 finding from 1 review
All‐cause mortality (7 days ‐ 3 months) · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in all‐cause mortality (7 days ‐ 3 months) compared with low molecular weight heparin (low certainty).
1 finding from 1 review
Asymptomatic VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Symptomatic recurrent VTE at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in symptomatic recurrent VTE at 3 months compared with low molecular weight heparin (low certainty).
1 finding from 1 review
Symptomatic recurrent DVT at 3 months · people aged ≥ 18 years with a diagnosis of new or recurrent VTE
Subcutaneous unfractionated heparin showed no clear difference in symptomatic recurrent DVT at 3 months compared with low molecular weight heparin (low certainty).
1 finding from 1 review
Incidence of recurrent VTE1 after initial treatment (up to 15 days) · patients with venous thromboembolism.
LMWH probably leads to lower incidence of recurrent VTE1 after initial treatment (up to 15 days) compared with UFH (moderate certainty).
1 finding from 1 review
Recurrent VTE · patients with venous thromboembolism.
LMWH probably leads to lower incidence of recurrent VTE1 (3 months compared with UFH (moderate certainty).
2 findings from 1 review
Reduction in thrombus size (pre‐ and post‐treatment venograms) · patients with venous thromboembolism.
LMWH may leads to lower reduction in thrombus size (pre‐ and post‐treatment venograms) compared with UFH (low certainty).
1 finding from 1 review
Major bleeding · patients with venous thromboembolism.
LMWH probably leads to lower incidence of major haemorrhagic episodes (during initial treatment ‐… compared with UFH (moderate certainty).
1 finding from 1 review
Overall mortality (end of · patients with venous thromboembolism.
LMWH showed no clear difference in overall mortality (end of compared with UFH (moderate certainty).
1 finding from 1 review