From: Regional differences in prediction models of lung function in Germany
ECRHS-I (N = 1162) | KORA C (N = 1088) | SHIP-1 (N = 1809) | Total | |
---|---|---|---|---|
FEV1 (l) | 3.6 ± 0.9 | 3.5 ± 0.8 | 3.3 ± 0.9 | 3.4 ± 1.0 |
FVC (l) | 4.4 ± 1.1 | 4.3 ± 1.1 | 3.9 ± 1.0 | 4.1 ± 1.1 |
PEF (l/s) | 8.2 ± 3.1 | 8.0 ± 2.4 | 7.3 ± 2.1 | 7.7 ± 2.5 |
FEV1/FVC | 0.81 ± 0.07 | 0.83 ± 0.08 | 0.85 ± 0.06 | 0.83 ± 0.07 |