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对ITALUNG低剂量CT肺癌筛查试验受试者中的266例[男性175例,女性91例;平均年龄(64±4)岁]吸烟者和已戒烟者,用CT密度法评估肺气肿的患病率。对全肺容积、每10层中1层(平均24层/人)的-950HU水平的相
266 patients (175 males, 91 females; average age (64 ± 4) years) from ITALUNG’s low-dose CT lung cancer screening test were evaluated for emphysema by CT densitometry Prevalence. For whole lung volume, a phase of -950HU level from 1 layer per 10 layers (average 24 layers / person)