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Predictive models of positive (A) and negative (B) predictive values with thresholds of 100, 500, and 1,000 IU/ml across a range of cytomegalovirus (CMV) pneumonia prevalences in patients who underwent bronchoalveolar lavage for evaluation of pulmonary infiltrates (132 patients with CMV pneumonia and 118 controls with non-CMV pneumonia). (Reproduced from reference 66 with permission of Oxford University Press.)
