Table 3

Heritability estimates for spirometric parameters

Spirometric parameterMean (SE) h2*
*Age, sex, race, height, pack years of cigarettes, age2, height2, and pack years2 included as covariates in the model.
†n = 583 individuals.
‡n = 576 individuals.
FEV10.32 (0.06)
FVC†0.31 (0.06)
FEV1/FVC†0.31 (0.05)
FEF25–750.38 (0.10)
FEF25–75/FVC‡0.45 (0.09)