摘要：

Spirometric reference values for Caucasians, African-Americans, and Mexican-Americants 8 to 80 yr of age were developed from 7,429 asymptomatic, lifelong nonsmoking participants in the third National Health and Nutrition Examination Survey (NHANES III). Spirometry examinations followed the 1987 American Thoracic Society recommendations, and the quality of the data was continuously monitored and mainatined. Caucasian subjects had higher mean FVC and FEV_1 values than did Mexican-American and African-American subjects had higher mean FVC and FEV_1 values than did Mexican-American and African-American subjects across the entire age range.

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