Table 3 Use of anticoagulant agents, antiplatelet agents, and mechanical prophylaxis
| Â | TKAa | THAa | HFSa | Rupture of Achilles tendona | Simple fracture of lower extremitiesa |
|---|---|---|---|---|---|
|  | n = 5023 | n = 3856 | n = 20,991 | n = 572 | n = 6639 |
Anticoagulant agents | Â | Â | Â | Â | Â |
 Warfarin | 436 (8.7) | 219 (5.7) | 1462 (7.0) | 6 (1.0) | 156 (2.3) |
 Unfractionated heparin | 1369 (27.3) | 1358 (35.2) | 3574 (17.0) | 3 (0.5) | 397 (6.0) |
 Low molecular weight heparin | 803 (16.0) | 958 (24.8) | 1003 (4.8) | 0 (0.0) | 47 (0.7) |
 Factor Xa inhibitor | 3000 (59.7) | 1937 (50.2) | 3224 (15.4) | 3 (0.5) | 157 (2.4) |
  NOAC s | 1443 (28.7) | 816 (21.2) | 1954 (9.3) | 1 (0.2) | 64 (1.0) |
  Fondaparinux | 1570 (31.3) | 1126 (29.2) | 1280 (6.1) | 2 (0.3) | 93 (1.4) |
 Others | 3 (0.1) | 2 (0.1) | 45 (0.2) | 0 (0.0) | 4 (0.1) |
Antiplatelet agents | 870 (17.6) | 470 (12.2) | 4645 (22.1) | 17 (3.0) | 513 (7.7) |
Mechanical prophylaxis | 4663 (92.8) | 3583 (92.9) | 18,191 (86.7) | 308 (53.8) | 4875 (73.4) |