| A (age) | ≥ 60y | +1 |
| B (BP) | ≥ 140/90mmHg | +1 |
| C (clinical) | Unilateral Weakness | +2 |
| Speech Disturbance no Weakness | +1 | |
| D (duration) | 10-59 Minutes | +1 |
| > 60 Minutes | +2 | |
| D (diabetes) | Diabetes | +2 |
| Stroke risk at 2 / 7 / 90 days | ||
| 0-3 | low risk | 1% |
| 4-5 | moderate risk | 4.1% |
| 6-7 | high risk | 8.1% |
Rothwell PM, Giles MF, Flossmann E, Lovelock CE, Redgrave JN, Warlow CP, Mehta Z.
A simple score (ABCD) to identify individuals at high early risk of stroke after transient ischaemic attack.
Lancet. 2005 Jul 2-8;366(9479):29-36