Risk factor | n (admissions) | Crude OR | Hospital discharge data | Hospital discharge data + clinical variables + drug prescriptions | ||
---|---|---|---|---|---|---|
 |  |  | Adjusted OR | P | Adjusted OR | P |
Age | - | 1.00 | 1.00 | 0.420 | 1.00 | 0.456 |
Gender (females vs males) | 4925 | 1.42 | 1.40 | 0.000 | 1.37 | 0.000 |
Diabetes | 406 | 0.66 | 0.72 | 0.036 | 0.68 | 0.011 |
Obesity (index admission) | 41 | 2.36 | 2.21 | 0.016 | 2.33 | 0.011 |
Obesity | 23 | 1.13 | 1.22 | 0.705 | 1.04 | 0.935 |
Hypertension | 877 | 0.76 | 0.80 | 0.028 | Â | Â |
Osteoporosis | 57 | 2.05 | 2.13 | 0.008 | 1.97 | 0.017 |
INR 0.9-1.2 | 4834 | 1.00 | Â | Â | Â | - |
INR out of range | 855 | 0.57 | Â | Â | 0.56 | 0.000 |
INR missing | 659 | 0.83 | Â | Â | 0.78 | 0.023 |
Antiplatelet (3 months) | 851 | 0.78 |  |  | 0.79 | 0.020 |
Area under ROC curve | Â | Â | 0.555 | 0.574 | Â | Â |