![]() ![]() ![]() Stratified Risk of Stroke, Carotid Endarterectomy/Carotid Artery Stenting or Both Within 7d (Primary Outcome):. ![]() Interval likelihood ratios provide a better analysis than sensitivity and specificity because they assign a specific value to each level of abnormality which can be used to calculate posttest probability of disease for a given level of a test.When results of continuous data are expressed as binary outcomes using a single cutoff, distortion of data can occur because markedly abnormal values are lumped together with results that are only mildly abnormal.This is simply making diagnostic decisions based on a test result represented on a continuous scale.Authors use something called interval likelihood ratios (I had to look this term up):.Number of patients that fell into each risk group:.Only 5.8% of patients admitted to the hospital from the ED at the time of index visit.9 patients had both within 7d leaving 182 with outcomes.83 (1.1%) had carotid endarterectomy/carotid artery stenting within 7d.108 (1.4%) had a subsequent stroke within 7d.7607 consecutively enrolled adult patients (80.6% of all potentially eligible patients).Treated with tPA or embolectomy for acute stroke.Presentation >7d after onset of neurological symptoms.Background: Patients who present with a transient ischemic attack (TIA) are at higher risk of subsequent stroke, especially in the short term (24hrs ![]()
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