Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean (SD) Distribution of Lung Function
| Male (n=1387) | Female (n=1131) | Overall (n=2518) | |
|---|---|---|---|
| FEV1, L | 3.03 (0.54) | 2.12 (0.38) | 2.62 (0.66) |
| FVC, L | 3.67 (0.62) | 2.53 (0.43) | 3.16 (0.78) |
| FEV1/FVC | 0.83 (0.06) | 0.84 (0.06) | 0.83 (0.06) |
| Percent predicted normal FEV1, % | 87.7 (12.1) | 94.1 (12.4) | 90.6 (12.7) |
Abbreviations: FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; SD, standard deviation.
