Study	Reason for exclusion
Barritt 1960	No lung scan or angiographic verification of PE.
Brandjes 1992	No placebo or NSAID control group.
Butterman 1977	DVT prophylaxis study.
Crowther 2000	Condition of interest was warfarin‐induced coagulopathy, not venous thromboembolism
Kakkar 1968	Abstract. Twenty one patients were randomized into three groups and received streptokinase, heparin or arvin. An additional six patients were 'untreated' but were not included in the original randomization scheme.
Kakkar 1969	Anticoagulant versus thrombolysis. Full report of Kakkar 1968.
Lagerstedt 1985	Both comparison groups received anticoagulants in the initial phase.
Levine 1993	Abstract. Both groups received anticoagulants in initial phase.
Levine 1995	Both comparison groups received anticoagulants in the initial phase. Full report of Levine 1993
Moriau 1995	Clinically relevant outcomes of DVT, PE or death not reported. Interventions under comparison were vitamin K antagonists versus vitamin K antagonists plus antiplatelet agent.
Schondorf 1975	DVT prophylaxis study.

DVT: deep vein thrombosis 
 NSAID: non‐steroidal anti‐inflammatory 
 PE: pulmonary embolism