Table 4

Sex comparison of transfusion rates in patients undergoing primary arthroplasty, by drug

Drug; groupMenWomenp value
Combined transfusion rates, %109/653241/989< 0.001
Warfarin*
 Transfusion rate, %
  Total53/29197/4430.26
  Hip arthroplasty group27/14051/1720.037
  Knee arthrplasty group26/15146/2711.00
Dalteparin
 Transfusion rate, %
  Total56/362144/546< 0.001
  Hip arthroplasty group26/17172/220< 0.001
  Knee arthrplasty group30/19172/3260.09
  • SD = standard deviation.

  • * Administered to patients undergoing primary arthroplasty between Jan. 1, 2004, and Dec. 31, 2004.

  • Administered to patients undergoing primary arthroplasty between Jan. 1, 2005, and Dec. 31, 2005.