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Clinical prediction guide
A simple risk score predicted 7 day stroke risk after transient ischaemic attack

https://doi.org/10.1136/ebm.11.1.27

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    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;366:29–36.
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 Q Can a simple risk score predict stroke during the first 7 days after probable or definite transient ischaemic attack (TIA)?

    Clinical impact ratings GP/FP/Primary care ★★★★★★★ IM/Ambulatory care ★★★★★★☆ Internal medicine ★★★★★★☆ Emergency medicine ★★★★★★☆ Neurology ★★★★★☆☆

    METHODS

    Embedded ImageDesign:

    3 cohort studies: a derivation cohort (Oxfordshire Community Stroke Project [OCSP]) and 2 independent validation cohorts (2 cohorts from the Oxford Vascular Study [OXVASC] and a cohort of patients referred to a hospital-based TIA clinic).

    Embedded ImageSetting:

    10 family practices in Oxfordshire, UK (OCSP and OXVASC cohorts) and a hospital-based TIA clinic.

    Embedded ImagePatients:

    209 patients (mean age 70 y) with a first ever probable or definite TIA (OCSP derivation cohort); 190 patients (mean age 74 y) with probable or definite TIA and 378 patients (mean age 70 y) with suspected TIA (OXVASC validation cohorts); and 210 patients (mean age 65 y) referred to the hospital …

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