Study	Reason for exclusion
CLOTS Trial 2	Comparison of 2 groups of stockings: no 'non‐stocking' control group
Desmukh 1991	This is a controlled randomised study but patients were enrolled between 19 and 21 days after stroke
Green 1998	This study has no control group and patients were randomised 7 days after stroke
Kamran 1998	Not a controlled randomised study
Kelly 2004	This study has no control group
Pambianco 1995	This study enrolled patients 16 days after the stroke The control group is formed of patients with compression stockings
Sprigg 2005	Post‐hoc analysis from a large study on tinzaparin versus aspirin in acute stroke Use of compression stockings not randomised
Turpie 1979	Controlled randomised trial including 199 patients with intracranial disease; among them there were 40 patients with stroke but data for these patients were not separately available