Table 4. Incidence of VTE after hip replacement in patients with significant risk factors.
| Risk factors | VTE | DVT | PE | ||||||
|---|---|---|---|---|---|---|---|---|---|
| No. (%) | OR (CI) | P value* | No. (%) | OR (CI) | P value* | No. (%) | OR (CI) | P value* | |
| VTE history | |||||||||
| Yes (n = 317) | 121 (19.4) | 10.8 (8.4-13.8) | < 0.001 | 84 (13.4) | 9.2 (6.9-12.0) | < 0.001 | 53 (8.5) | 9.7 (6.9-13.5) | < 0.001 |
| No (n = 13,551) | 732 (3.4) | 513 (2.4) | 274 (1.3) | ||||||
| Chronic heart failure | |||||||||
| Yes (n = 1,012) | 114 (6.3) | 2.1 (1.7-2.6) | < 0.001 | 63 (3.5) | 1.5 (1.2-2.0) | 0.002 | 58 (3.2) | 2.8 (2.1-3.8) | < 0.001 |
| No (n = 12,856) | 739 (3.6) | 534 (2.6) | 269 (1.3) | ||||||
| Arrhythmia | |||||||||
| Yes (n = 828) | 84 (5.8) | 1.8 (1.4-2.2) | < 0.001 | 56 (3.8) | 1.7 (1.2-2.2) | < 0.001 | 38 (2.6) | 2.1 (1.5-3.0) | < 0.001 |
| No (n = 13,040) | 769 (3.7) | 541 (2.6) | 289 (1.4) | ||||||
| Atrial fibllation | |||||||||
| Yes (n = 455) | 78 (8.3) | 3.4 (2.6-4.4) | < 0.001 | 46 (4.9) | 2.6 (1.9-3.6) | < 0.001 | 42 (4.5) | 4.7 (3.3-6.6) | < 0.001 |
| No (n = 13,413) | 775 (3.7) | 551 (2.6) | 285 (1.3) | ||||||
*Chi-square test for comparing the incidence between patients with and without disease history. VTE, Venous thromboembolism; DVT, Deep vein thrombosis; PE, Pulmonary embolism.