Martin J. O’Donnell, MB, PhD; Jiming Fang, MSc, PhD; Cami D’Uva, MSc; et al.
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O’Donnell et al developed a clinical prediction rule comprising preadmission comorbidities, level of consciousness, age, and neurologic deficit (PLAN) for death and severe disability after acute ischemic stroke. In an editorial, Katz rates the PLAN rule against a list of criteria for clinically useful prediction rules.