Incidence of thromboembolic events, at end of period, by postoperative period and hazard ratios by specific risk factors in the observed cohort
| . | Event . | |||||
|---|---|---|---|---|---|---|
| Venous thromboembolism . | Arterial thrombosis . | Death . | ||||
| Cases per 1000 patent-day . | Cumulative % . | Cases per 1000 patient-day . | Cumulative % . | Cases per 1000 patient-day . | Cumulative % . | |
| Incidence at days | ||||||
| 0-15 | 1.4 (0.7-2.8) | 2.3 (0.8-5.0) | 1.4 (0.7-2.8) | 2.3 (0.8-5.0) | 0.2 (0.0-1.2) | 0.3 (0.02-1.8) |
| 15-30 | 1.0 (0.4-2.2) | 3.9 (2.1-6.5) | 0.7 (0.3-1.9) | 3.5 (1.8-6.0) | 0 | 0.3 (0.02-1.8) |
| 30 or more | 0.1 (0-0.4) | 4.7 (2.7-7.5) | 0.2 (0.1-0.5) | 4.7 (2.7-7.5) | 0.3 (0.1-0.6) | 1.9 (0.7-4.0) |
| Overall | 0.5 (0.3-0.8) | — | 0.5 (0.3-0.8) | — | 0.2 (0.1-0.4) | — |
| Event-specific hazard ratios | ||||||
| Major versus minor surgery | 2.0 (0.6-6.6) | — | 1.0 (0.3-3.1) | — | 1.5 (0.2-9.2) | — |
| PV versus ET | 7.3 (1.6-33.4) | — | 0.3 (0.1-1.3) | — | 0.4 (0.04-3.4) | — |
| Antiplatelet versus no active treatment | 0.5 (0.1-4.0) | — | 0.5 (0.1-4.0) | — | 1.4 (0.2-12.8) | — |
| Heparin versus no active treatment | 0.8 (0.3-2.6) | — | 1.7 (0.5-5.6) | — | 0.6 (0.1-3.4) | — |
| . | Event . | |||||
|---|---|---|---|---|---|---|
| Venous thromboembolism . | Arterial thrombosis . | Death . | ||||
| Cases per 1000 patent-day . | Cumulative % . | Cases per 1000 patient-day . | Cumulative % . | Cases per 1000 patient-day . | Cumulative % . | |
| Incidence at days | ||||||
| 0-15 | 1.4 (0.7-2.8) | 2.3 (0.8-5.0) | 1.4 (0.7-2.8) | 2.3 (0.8-5.0) | 0.2 (0.0-1.2) | 0.3 (0.02-1.8) |
| 15-30 | 1.0 (0.4-2.2) | 3.9 (2.1-6.5) | 0.7 (0.3-1.9) | 3.5 (1.8-6.0) | 0 | 0.3 (0.02-1.8) |
| 30 or more | 0.1 (0-0.4) | 4.7 (2.7-7.5) | 0.2 (0.1-0.5) | 4.7 (2.7-7.5) | 0.3 (0.1-0.6) | 1.9 (0.7-4.0) |
| Overall | 0.5 (0.3-0.8) | — | 0.5 (0.3-0.8) | — | 0.2 (0.1-0.4) | — |
| Event-specific hazard ratios | ||||||
| Major versus minor surgery | 2.0 (0.6-6.6) | — | 1.0 (0.3-3.1) | — | 1.5 (0.2-9.2) | — |
| PV versus ET | 7.3 (1.6-33.4) | — | 0.3 (0.1-1.3) | — | 0.4 (0.04-3.4) | — |
| Antiplatelet versus no active treatment | 0.5 (0.1-4.0) | — | 0.5 (0.1-4.0) | — | 1.4 (0.2-12.8) | — |
| Heparin versus no active treatment | 0.8 (0.3-2.6) | — | 1.7 (0.5-5.6) | — | 0.6 (0.1-3.4) | — |
Values in parentheses are 90% confidence intervals.
— indicates no data.