Table 3.
Comparison of key knowledge, awareness and use of alert cards reported by patients on direct-acting oral anticoagulants and warfarin
| Direct-acting oral anticoagulant (n = 8237) | Warfarin (n = 8696) | p value (Chi squared test) | |
|---|---|---|---|
| Aware of type of medication | 7842 (95.2%) | 8541 (98.2%) | p < 0.001 |
| Aware of checking about over the counter medication | 6647 (80.7%) | 7822 (89.9%) | p < 0.001 |
| Traditional alert card | |||
| Verbal confirmation of this card | 2548 (30.9%) | 3676 (42.3%) | p < 0.001 |
| Card seen by pharmacy staff | 1071 (13.0%) | 2378 (27.3%) | |
| Not known/not reported | 825 (10.0%) | 470 (5.4%) | |
| No card or unaware of card | 3793 (46.0%) | 2172 (25.0%) | |
| Other alert card | 473 (5.7%) | 762 (8.8%) | p < 0.001 |
| Manufacturer’s alert card | 4910 (59.6%) | 601 (6.9%) | |
| Not known/not reported | 671 (8.1%) | 1188 (13.7%) | |
| No card | 2183 (26.5%) | 6145 (70.7%) | |
| Yellow book | 569 (6.9%) | 5673 (65.2%) | p < 0.001 |
| Other information | 1320 (16.0%) | 693 (8.0%) | |
| Not known/not reported | 1221 (14.8%) | 533 (6.1%) | |
| No book or other information | 5127 (62.2%) | 1797 (20.7%) | |