Table 5.
Screening spirometry in previously normal residents with persistent new-onset respiratory symptoms (mean ± SD).
| Exposed persistent symptoms (n = 49) | Exposed asymptomatic (n = 67) | Control asymptomatic (n = 17) | |
|---|---|---|---|
| FEV1 (percent predicted) | 91.4 ± 12.1 | 95.4 ± 14.0 | 93.0 ± 11.9 |
| FVC (percent predicted) | 89.6 ± 12.2 | 94.3 ± 14.7 | 89.9 ± 10.0 |
| FEV1/FVC (%) | 82.1 ± 6.9 | 81.4 ± 4.2 | 83.3 ± 7.1 |
| FEF25–75 (percent predicted) | 90.1 ± 26.6 | 90.0 ± 22.0 | 94.6 ± 34.3 |
| PEF (percent predicted) | 90.2 ± 17.6 | 97.5 ± 15.9 | 93.8 ± 13.4 |
PEF, peak expiratory flow. p-Value > 0.05 for all comparisons.