Table II.
Descriptive statistics of the analyzed parameters in control and case (general asthma population) groups in the present study.
| Parameter | Group
|
|
|---|---|---|
| Controls | Asthma patients | |
| Number | ||
| n | 216 | 235 |
| M/F (%) | 74 (34.3)/142 (65.7) | 88 (37.4)/147 (62.6) |
| Age (years) | ||
| Mean | 45.7 | 48.8 |
| SD | 16.3 | 16.0 |
| Median | 47.0 | 51.0 |
| Mode | 23.0 | 52.0 |
| FEV1 (liters) | ||
| Mean | 3.0 | 2.2 |
| SD | 0.8 | 0.9 |
| Median | 2.9 | 2.2 |
| Mode | 2.7 | 2.4 |
| FEV1 (%) | ||
| Mean | 96.1 | 72.7 |
| SD | 12.6 | 19.8 |
| Median | 96.0 | 74.0 |
| Mode | 94.5 | 90.0 |
| FEV1/FVC (%) | ||
| Mean | 79.0 | 66.3 |
| SD | 6.1 | 12.0 |
| Median | 78.6 | 66.9 |
| Mode | 78.5 | 70.7 |
| FVC (litres) | ||
| Mean | 3.8 | 3.3 |
| SD | 1.0 | 1.1 |
| Median | 3.6 | 3.2 |
| Mode | 3.5 | 2.3 |
| FVC (%) | ||
| Mean | 102.7 | 91.4 |
| SD | 14.9 | 17.5 |
| Median | 101.0 | 93.0 |
| Mode | 101.0 | 93.0 |
M, male; F, female; SD, standard deviation; FEV1, forced expiratory volume in 1 sec; FVC, forced vital capacity.