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ABCD₂ is used to assess the risk of stroke following a transient ischaemic attack.
- 0 - 3: low risk
- 4 - 5: moderate risk
- 6 - 7: high risk
References
Galvin R, Geraghty C, Motterlini N, Dimitrov BD, Fahey T. Prognostic value of the ABCD² clinical prediction rule: a systematic review and meta-analysis. Fam Pract. 2011 Aug; 28 (4): 366–76.Giles MF, Rothwell PM. Systematic review and pooled analysis of published and unpublished validations of the ABCD and ABCD2 transient ischemic attack risk scores. Stroke. 2010; 41 (4): 667–73.Johnston SC, Rothwell PM, Huynh-Huynh MN, Giles MF, Elkins JS, Sidney S, Validation and refinement of scores to predict very early stroke risk after transient ischemic attack. Lancet. 2007; 369: 283-292.Josephson SA, Sidney S, Pham TN, Bernstein AL, Johnston SC. Higher ABCD2 score predicts patients most likely to have true transient ischemic attack. Stroke. 2008 Nov; 39(11): 3096-8. Rothwell PM, Giles MF, Flossmann E et al. A simple score (ABCD) to identify individuals at high early risk of stroke after transient ischaemic attack. Lancet. 2005. 366 (9479): 29–36.