Table 2.
The laboratory findings on admission and baseline PFT
| Eosinophilic | Neutrophilic | P-value | |
|---|---|---|---|
| ABGA on admission, mean ± SD | |||
| pH | 7.41±0.78 | 7.42±0.83 | 0.403 |
| PaCO2 | 42.73±15.39 | 43.42±15.90 | 0.649 |
| PaO2 | 75.30±25.97 | 71.15±35.44 | 0.189 |
| HCO3 | 26.16±7.22 | 26.69±5.70 | 0.378 |
| CRP | 13.89±29.06 | 38.69±64.89 | ,0.001 |
| PFT (post BD), mean ± SD | |||
| FEV1/FVC | 46.20±10.98 | 46.20±11.40 | 0.995 |
| FEV1 (L) | 1.22±0.52 | 1.04±0.42 | <0.001 |
| FEV1, % | 51.71±20.69 | 49.46±18.42 | 0.198 |
| FVC (L) | 2.65±0.87 | 2.37±1.33 | 0.009 |
| FVC, % | 78.25±23.08 | 74.32±22.49 | 0.057 |
| RV, % | 140.75±75.06 | 146.84±73.58 | 0.485 |
| BDR, % | 7.65±11.04 | 5.74±8.53 | 0.026 |
| DLco, % | 62.71±28.81 | 59.953±27.06 | 0.322 |
| GOLD classification, n (%) | |||
| 1 | 17 (9.6) | 28 (7.4) | 0.367 |
| 2 | 69 (39.0) | 134 (35.3) | 0.396 |
| 3 | 75 (42.4) | 176 (46.3) | 0.384 |
| 4 | 16 (9.0) | 42 (11.1) | 0.469 |
Abbreviations: PFT, pulmonary function test; ABGA, arterial blood gas analysis; PaCO2, partial pressure of carbon dioxide; PaO2, partial pressure of oxygen; HCO3, bicarbonate; CRP, C-reactive protein; BD, bronchodilator; SD, standard deviation; FEV1, forced expiratory volume in 1 second; VC, forced vital capacity; RV, residual volume; BDR, bronchodilator response; DLco, diffusing capacity of the lung for carbon monoxide; GOLD, Global Initiative for Chronic Obstructive Lung Disease.