Lung Age

Height
Measured FEV1
L
Lung Age
yr
Formula

Age(M) = (0.0414*height-2.19-FEV1)/0.0244
Age(F) = (0.0342*height-1.578-FEV1)/0.0255

Info

References:
Crapo RO. Am Rev Respir Dis. 1981 Jun;123(6):659-64. -> PubMed