Comparison 6. Vitamin K antagonist versus low molecular weight heparin (2 years).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
6.1 All‐cause mortality	1	440	Risk Ratio (M‐H, Random, 95% CI)	2.00 [0.18, 21.90]
6.2 Symptomatic deep vein thrombosis	1	440	Risk Ratio (M‐H, Random, 95% CI)	1.70 [0.80, 3.63]
6.3 Pulmonary embolism	1	440	Risk Ratio (M‐H, Random, 95% CI)	9.00 [0.49, 166.17]