Event rates, unadjusted and adjusted 1-year outcomes comparing TIA patients with ABCD2 ≥4 and 0–3
| Outcomes 1 year after TIA | Overall | ABCD2 0–3 | ABCD2 ≥4 | Unadjusted HR (95% CI) | Adjusted* HR (95% CI) |
| Ischaemic stroke | 3.6% | 2.7% | 3.7% | 1.37 (1.15 to 1.64) | 1.25 (1.04 to 1.50) |
| Haemorrhagic stroke | 0.5% | 0.5% | 0.5% | 0.94 (0.63 to 1.42) | 0.97 (0.63 to 1.47) |
| Myocardial infarction | 1.6% | 1.5% | 1.6% | 1.04 (0.82 to 1.32) | 0.88 (0.68 to 1.13) |
| Gastrointestinal bleed | 2.2% | 2.0% | 2.2% | 1.12 (0.90 to 1.38) | 1.05 (0.84 to 1.31) |
| Major vascular events† | 5.6% | 4.7% | 5.7% | 1.21 (1.06 to 1.39) | 1.10 (0.96 to 1.27) |
| All-cause readmission | 44.3% | 39.8% | 45.1% | 1.18 (1.12 to 1.24) | 1.08 (1.03 to 1.14) |
| All-cause mortality | 11.7% | 9.5% | 12.0% | 1.28 (1.16 to 1.41) | 1.18 (1.07 to 1.30) |
| Composite mortality or ischaemic stroke | 14.6% | 12.1% | 15.0% | 1.26 (1.16 to 1.38) | 1.16 (1.07 to 1.27) |
| Composite mortality or major vascular event† | 15.9% | 13.4% | 16.3% | 1.24 (1.14 to 1.35) | 1.14 (1.05 to 1.24) |
| Composite mortality or all-cause rehospitalisation | 47.2% | 42.2% | 48.1% | 1.20 (1.14 to 1.26) | 1.10 (1.05 to 1.16) |
*Covariates used in adjusted models listed in the online supplemental file.
†Major vascular event includes rehospitalisations for ischaemic stroke, haemorrhagic stroke or myocardial infarction.
TIA, transient ischaemic attack.