Warfarin,* no. patients | 291 | 443 | |
Reduction in hemoglobin, mean (SD) g/L |
Total | 44.98 (16.1) | 42.16 (12.96) | 0.013 |
Hip arthroplasty group | 43.44 (16.26) | 43.58 (13.08) | 0.93 |
Knee arthrplasty group | 46.42 (15.87) | 45.19 (14.15) | < 0.001 |
Dalteparin,† no. patients | 362 | 546 | |
Reduction in hemoglobin, mean (SD) g/L |
Total | 49.33 (13.13) | 44.11 (13.17) | < 0.001 |
Hip arthroplasty group | 47.40 (13.47) | 45.19 (14.15) | 0.12 |
Knee arthrplasty group | 51.05 (12.61) | 43.38 (12.44) | < 0.001 |