Evid Based Nurs 5:50 doi:10.1136/ebn.5.2.50
  • Treatment

Thromboprophylaxis with low dose unfractionated heparin plus compression stockings reduces thromboembolic complications of colorectal surgery

Prophylactic methods for reducing deep venous thrombosis or pulmonary embolism or both at 7–14 days after colorectal surgery*

Comparisons Weighted event rates RRR (95% CI) NNT (CI)
Any heparin v no treatment or placebo 5.5% v 16.7% 60% (38 to 74) 9 (7 to 16)
*LDH = low dose unfractionated heparin. Other abbreviations defined in glossary; RRR, RRI, NNT, NNH, and CI calculated from data in article.
LDH alone v LDH and compression stockings 21.1% v 5.1% 314% (22 to 1304) 7 (4 to 28)

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