Transfusion rates among patients undergoing primary arthroplasty who received warfarin and those who received dalteparin, by sex
| Group | Drug; tranfusion rate (%)* | p value | |
|---|---|---|---|
| Warfarin† | Dalteparin‡ | ||
| Total | 150/734 (20.4) | 200/908 (22.0) | 0.47 |
| Men | 53/291 (18.2) | 56/362 (15.5) | 0.34 |
| Women | 97/443 (21.9) | 144/546 (26.4) | 0.12 |
↵* Determined by number of patients receiving transfusion divided by the total number of patients undergoing primary arthroplasty.
↵† 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.