Table I.
The results of the epidemiological data and lung function tests.
| Group | ||
|---|---|---|
|
|
||
| Parameter | Control | Asthma |
| Age (years) | ||
| Means ± SD | 45.60±16.55 | 50.03±15.76 |
| Median (interquartile range) | 47 (29–58) | 52 (37–62) |
| Min-Max | 19–80 | 19–82 |
| FEV1 (liters) | ||
| Means ± SD | 2.99±0.84 | 2.18±0.86 |
| Median (interquartile range) | 2.94 (2.36–3.60) | 2.13 (1.53–2.69) |
| Min-Max | 1.28–5.67 | 0.37–4.68 |
| FEV1 (%) of predicted value | ||
| Means ± SD | 95.07±12.64 | 72.96±20.33 |
| Median (interquartile range) | 94.0 (89.0–101.0) | 74.0 (59.3–87.0) |
| Min-Max | 38.0–128.0 | 19.0–125.0 |
| FEV1/FVC (%) | ||
| Means ± SD | 79.50±6.14 | 66.96±12.24 |
| Median (interquartile range) | 78.85 (75.0–83.88) | 67.69 (58.35–76.99) |
| Min-Max | 64.15–95.63 | 33.33–91.03 |
| FVC (liters) | ||
| Means ± SD | 3.77±1.07 | 3.22±1.08 |
| Median (interquartile range) | 3.55 (3.02–4.52) | 3.07 (2.36–3.90) |
| Min-Max | 1.68–7.51 | 1.11–6.52 |
| FVC (%) of predicted value | ||
| Means ± SD | 100.71±14.82 | 90.54±17.69 |
| Median (interquartile range) | 100.0 (91.0–108.0) | 91.0 (79.0–102.0) |
| Min-Max | 38.0–150.0 | 46.0–134.0 |
SD, standard deviation; FEV1, forced expiratory volume in 1 sec; FVC, forced vital capacity; Min-Max, minimum-maximum.