Table 4.
95% CI |
||||
---|---|---|---|---|
HR | Lower | Upper | p Value | |
During the first 2 months of follow-up (N=11 647) | ||||
Index medication (reference category: apixaban) | ||||
Rivaroxaban | 1.49 | 1.00 | 2.22 | 0.052 |
Dabigatran | 1.65 | 1.08 | 2.52 | 0.022 |
VKA | 0.33 | 0.22 | 0.48 | <0.001 |
History of stroke risk factors (yes vs no) | ||||
Vascular disease | 0.81 | 0.66 | 0.99 | 0.037 |
Hypertension | 0.81 | 0.68 | 0.96 | 0.015 |
Concomitant therapy* (yes vs no) | ||||
Aspirin | 2.79 | 2.30 | 3.38 | <0.001 |
Other antiplatelet | 1.89 | 1.40 | 2.54 | <0.001 |
After the first 2 months of follow-up (N=10 977) | ||||
Index medication (reference category: apixaban) | ||||
Rivaroxaban | 1.58 | 0.98 | 2.55 | 0.059 |
Dabigatran | 2.10 | 1.30 | 3.41 | 0.003 |
VKA | 1.70 | 1.08 | 2.66 | 0.021 |
Demographics | ||||
Age at index date (years) | 0.99 | 0.98 | 0.99 | <0.001 |
Country (reference category: England) | ||||
Wales | 0.57 | 0.48 | 0.68 | <0.001 |
Scotland | 1.14 | 0.99 | 1.31 | 0.078 |
Northern Ireland | 0.84 | 0.66 | 1.07 | 0.151 |
History of stroke risk factors (yes vs no) | ||||
Vascular disease | 0.89 | 0.80 | 0.99 | 0.036 |
Hypertension | 0.88 | 0.80 | 0.96 | 0.005 |
Concomitant therapy* (yes vs no) | ||||
Parenteral anticoagulants | 1.49 | 1.07 | 2.07 | 0.020 |
Aspirin | 1.38 | 1.23 | 1.56 | <0.001 |
Other antiplatelet | 1.57 | 1.31 | 1.87 | <0.001 |
*Concomitant therapy: prescribed on index date or within 3 months after index date.
OAC, oral anticoagulants; VKA, vitamin K antagonists.