FormulaCrapo (USA):
FVC(M) = 0.06*height - 0.0214*age - 4.65
FVC(F) = 0.0491*height - 0.0216*age - 3.59
FEV1(M) = 0.0414*height - 0.0244*age - 2.19
FEV1(F) = 0.0342*height - 0.0255*age - 1.578
Quanjer (ERS):
FVC(M) = 0.0576*height - 0.026*age - 4.34
FVC(F) = 0.0443*height - 0.026*age - 2.89
FEV1(M) = 0.043*height - 0.029*age - 2.49
FEV1(F) = 0.0395*height - 0.025*age - 2.6