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Increased Incidence of Deep Vein Thrombosis after Myocardial Infarction in Non-smokers

Br Med J 1974; 3 doi: (Published 27 July 1974) Cite this as: Br Med J 1974;3:232
  1. Peter Marks,
  2. Peter A. Emerson


    Out of 102 patients with cardiac infarction admitted to the coronary care unit at this hospital and not treated with anticoagulants 30 (29%) developed isotopic evidence of deep vein thrombosis. Of the 65 smokers only 7 (11%) developed a deep vein thrombosis, whereas of the 37 non-smokers 23 (62%) developed a deep vein thrombosis. This difference is highly significant (P < 0·00001).