Table 1.
Biometric and spirometric characteristics of studied groups
| Control (n = 20) | Parkinson 1–1.5 (n = 13) | Parkinson 2–3 (n = 21) | Parkinson smoker (n = 13) | |
|---|---|---|---|---|
| Age (years) | 66.0 ± 9.8 | 65.2 ± 11.8 | 64.1 ± 9.1 | 66.6 ± 7.4 |
| Body mass (kg) | 70.6 ± 12.6 | 72.3 ± 10.0 | 66.1 ± 14.9 | 74.8 ± 13.1 |
| Height (cm) | 167.9 ± 10.1 | 168.9 ± 9.8 | 162.5 ± 11.1 | 168.9 ± 5.8 |
| BMI (kg/m2) | 24.9 ± 2.5 | 25.4 ± 3.7 | 24.7 ± 3.8 | 26.1 ± 3.4 |
| FEV1 (L) | 2.8 ± 0.7 | 2.6 ± 0.6 | 2.4 ± 0.7 | 2.7 ± 0.6 |
| FEV1 (%) | 93.6 ± 12.1 | 86.4 ± 11.6 | 88.5 ± 15.8 | 87.2 ± 15.5 |
| FVC (L) | 3.7 ± 1.0 | 3.3 ± 0.8 | 3.1 ± 0.8* | 3.5 ± 0.8 |
| FVC (%) | 96.7 ± 11.5 | 86.5 ± 9.1** | 89.2 ± 15.1 | 87.7 ± 12.8 |
| FEV1/FVC | 75.7 ± 5.1 | 77.6 ± 7.4 | 78.3 ± 6.4 | 76.9 ± 5.3 |
| FEV1/FVC (%) | 90.1 ± 5.9 | 99.9 ± 8.1 | 99.3 ± 7.4 | 99.3 ± 6.5 |
| PEF (L/s) | 7.4 ± 2.3 | 6.1 ± 2.6 | 6.2 ± 2.7 | 7.6 ± 2.2 |
| PEF (%) | 80.5 ± 23.9 | 64.4 ± 18.4* | 70.6 ± 25.4 | 76.4 ± 19.1 |
| FEF25-75% (L/s) | 2.4 ± 0.8 | 2.4 ± 1.1 | 2.4 ± 0.9 | 2.5 ± 1.1 |
| FEF25-75% (%) | 89.1 ± 27.1 | 93.4 ± 32.5 | 94.3 ± 29.9 | 92.3 ± 37.4 |
BMI Body mass index, % percentage of the predicted value, FEV1 Forced expiratory volume in the first second, FVC Forced vital capacity, FEV1/FVC The ratio of FEV1 to FVC, n number of patients evaluated, PEF Peak expiratory flow, FEF 25–75 Forced expiratory flow at 25 and 75%, Ns non significance. P value
*p < 0.05
**p < 0.01