Gelb et al. (A-25) conducted a study in which they explored the relationship between moderate to severe
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Gelb et al. (A-25) conducted a study in which they explored the relationship between moderate to severe expiratory airflow limitation and the presence and extent of morphologic and CT scored emphysema in consecutively seen outpatients with chronic obstructive pulmonary disease. Among the data collected were the following measures of lung CT and pathology (PATH) for emphysema scoring:
CT Score PATH CT Score PATH 5 15 45 50 90 70 45 40 50 20 85 75 10 25 7 0 12 25 80 85 35 10 15 5 40 35 45 40 45 30 37 35 5 5 75 45 25 50 5 5 60 60 5 20 70 60 Source: Data provided courtesy of Dr. Arthur F. Gelb.
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Biostatistics A Foundation For Analysis In The Health Sciences
ISBN: 9781118302798
10th Edition
Authors: Wayne W. Daniel, Chad L. Cross
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