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Figure 1 The association of the absence of chest pain with in-hospital mortality after myocardial infarction in patients with left bundle branch block. The mortality risk associated with the absence of chest pain is calculated in a series of multivariate adjustments. Model 1 is adjusted for differences in patient demographic characteristics and past medical history. Model 2 includes variables from Model 1 and adds severity of illness characteristics. Model 3 adjusts for the above variables, hospital bed assignment and medications and procedures received in-hospital.
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