[80–84.5) years[84.5–88] years
Malesn9426
FEV1, L1.85 (0.61)1.80 (0.80)
FVC, L2.45 (0.65)2.44 (0.96)
FEV1/FVC, %72.2 (11.8)70.1 (10.5)
Femalesn7519
FEV1, L1.43 (0.34)1.33 (0.33)
FVC, L1.82 (0.48)1.58 (0.47)
FEV1/FVC, %77.2 (8.8)81.6 (7.9)