Table 5 Trends in venous thromboembolism prophylaxis
From: Use of venous thromboprophylaxis and adherence to guideline recommendations: a cross-sectional study
Preintervention period | Postintervention period | |||
|---|---|---|---|---|
1990 | 1992a | 1997a | 1999 | |
Number of patients | 615 | 187 | 194 | 397 |
Mean age (SD) | 60 (15.5) | 60 (17) | 61 (17) | 60 (17) |
Mean number risk factors (SD) | 2.3 (1) | 2.6 (1) | 2.5 (1) | 2.6 (1) |
Contrain-dications to heparins n (%) | 70 (11) | 33 (18) | 56 (29) | 42 (11) |
Prophylaxis in all patients n (%) | 82 (13) | 73 (39) | 103 (53) | 231 (58) |
Prophylaxis in patients with ≥2 risk factors n/N (%) | 79/444 (22) | 63/116 (54) | 85/110 (77) | 201/302 (67) |
Prophylaxis in surgical patients n/N (%) | 39/183 (21) | 49/89 (55) | 65/73 (89) | 109/155 (70) |