Graduated compression stockings for the prevention of deep venous thrombosis in hospital patients*

ComparisonWeighted event ratesRRR (95% CI)NNT (CI)
*Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article.
Stockings v no other prophylaxis12.3% v 26.5% 57% (35 to 71) 8 (5 to 14)
Stockings plus prophylaxis v prophylaxis alone 4.9% v 14.7%71% (53 to 82)11 (8 to 16)