Table 2.
Clinical characteristics of the recruited cohort and presentation of spirometric characteristics of studied groups.
| Characteristics of the studied groups | Asthmatic Patients (n = 345) | Healthy Controls (n = 307) | p-value |
|---|---|---|---|
| Age [years] | 48.6 ± 15.4 | 46.0 ± 16.3 | 0.04 |
| Sex | Females: 222 Males: 123 |
Females: 197 Males: 110 |
0.96 |
| Height [meters] | 1.67 ± 0.10 | 1.68 ± 0.11 | 0.72 |
| Weight [kilograms] | 75.59 ± 15.30 | 73.29 ± 16.92 | 0.07 |
| BMI [kilograms/m2] | 26.95 ± 4.80 | 25.73 ± 5.05 | <0.01 |
| Allergy | None: 148 Seasonal: 40 Year-round: 58 Both: 99 |
None: 268 Seasonal: 8 Year-round: 6 Both: 25 |
<0.001 |
| FEV1 (%) pred. | 75.81 ± 21.37 | 95.83 ± 19.95 | <0.001 |
| FVC (%) pred. | 93.52 ± 18.78 | 101.63 ± 17.69 | <0.001 |
| FEV1/FVC (%) pred. | 83.25 ± 14.71 | 95.88 ± 10.05 | <0.001 |
| Smoking pack years | 5.82 ± 10.98 | 5.68 ± 11.71 | 0.88 |
FEV1 (forced expiratory volume in 1 second) expressed in %, FEV1% (A/N% - percentage ratio of the measured to expected value) expressed as per cent of the expected value; FVC (forced vital capacity) expressed in %, FVC% (A/N% - percentage ratio of the measured to expected value) expressed as per cent of the expected value; FEV1% FVC index (FEV1 to FVC ratio - forced vital capacity) expressed in %. pred., predicted.