Table 1.
Baseline values of the study population
| Parameter | Mean | 95% CI |
|---|---|---|
| WBC (×10^3/µL) | 7.06 | 6.63, 7.49 |
| Neutrophils (×10^3/µL) | 4.26 | 3.89, 4.63 |
| Lymphocytes (×10^3/µL) | 2.08 | 1.87, 2.3 |
| Platelet count (×10^3/µL) | 224.1 | 202.58, 245.55 |
| MPV (fL) | 10.91 | 10.69, 11.13 |
| PDW (fL) | 13.36 | 12.9, 13.8 |
| PLR | 123.13 | 108.82, 137.44 |
| Pre-bronchodilator | ||
| VC (L) | 2.49 | 2.3, 2.67 |
| FVC (L) | 2.47 | 2.28, 2.65 |
| FVC (%) | 76.09 | 72, 80.17 |
| FEV1 (L) | 1.47 | 1.33, 1.6 |
| FEV1 (%) | 59.29 | 54.92, 63.67 |
| FEV1/FVC | 0.59 | 0.57, 0.61 |
| FEF 25–75 (L/s) | 0.7 | 0.62, 0.78 |
| FEF 25–75 (%) | 36.1 | 32.35, 39.86 |
| PEF (L) | 3.68 | 3.32, 4.04 |
| PEF (%) | 45.57 | 41.62, 49.52 |
| Post-bronchodilator | ||
| VC (L) | 2.7 | 2.52, 2.89 |
| FVC (L) | 2.68 | 2.5, 2.87 |
| FVC (%) | 82.78 | 78.84, 86.73 |
| FEV1 (L) | 1.62 | 1.48, 1.75 |
| FEV1 (%) | 65.29 | 60.9, 69.67 |
| FEV1/FVC | 0.6 | 0.57, 0.62 |
| FEF 25–75 (L/s) | 0.996 | 0.89, 1.1 |
| FEF 25–75 (%) | 54.5 | 47.37, 61.62 |
| PEF (L) | 4.01 | 3.66, 4.36 |
| PEF (%) | 51.91 | 46.66, 57.16 |
| TLC (L) | 4.89 | 4.63, 5.15 |
| RV (L) | 2.42 | 2.27, 2.57 |
|
| ||
| Number of patients | Percent (%) | |
|
| ||
| Comorbidities | 71 | 89.9 |
| Respiratory | 14 | 17.7 |
| Cardiovascular | 63 | 79.7 |
| Mental | 9 | 11.4 |
| Endocrine system | 11 | 13.9 |
| Central nervous system | 10 | 12.7 |
| Diabetes mellitus type 2 | 18 | 22.8 |
| Other | 47 | 59.5 |
| Smoking history | ||
| Smoker | 18/72a | 25 |
| Non-smoker | 9/72a | 12.5 |
| Ex-smoker | 45/72a | 62.5 |
| GOLD | ||
| I stage | 20 | 25.3 |
| II stage | 39 | 49.4 |
| III stage | 17 | 21.5 |
| IV stage | 3 | 3.8 |
Note:
a
Smoking history was reported in 72 records.
Abbreviations: FEF 25–75, forced expiratory flow between 25% and 75% of vital capacity; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; GOLD, Global initiative for chronic Obstructive Lung Disease; MPV, mean platelet volume; PDW, platelet distribution width; PEF, peak expiratory flow; PLR, platelet-to-lymphocyte ratio; RV, residual volume; TLC, total lung capacity; VC, vital capacity; WBC, white blood count.