Table 1.
Baseline characteristics based on blood eosinophil counts.
| Variables | Less than 100 Eosinophils/µL | Between 101–300 Eosinophils/µL | More than 300 Eosinophils/µL | p Value (ANOVA) |
|---|---|---|---|---|
| n = 27 (23.5%) | n = 63 (54.8%) | n = 25 (21.7%) | ||
| Age, yrs. | 72.2 (9.2) | 71.6 (8.5) | 70.6 (8.3) | 0.801 |
| Males, % | 89% | 94% | 96% | 0.586 |
| Body mass index, kg/m2 | 27.2 (3.9) | 25.8 (4.8) | 27.7 (5.6) | 0.182 |
| Smoking habit, pack.years | 55.5 (29.2) | 66.3 (30.4) | 58.6 (37.7) | 0.285 |
| Charlson index | 2.6 (1.4) | 2.6 (1.5) | 2.2 (1.4) | 0.481 |
| Dyspnoea (MRC) | 1.9 (0.9) | 1.6 (0.9) | 1.6 (0.9) | 0.356 |
| Daily sputum production, % | 77.8% | 74.6% | 64% | 0.567 |
| Purulent sputum, % | 22.2% | 25% | 33.3% | 0.858 |
| Time from symptoms | 14 (16.6) | 13.4 (10.7) | 10.7 (10.6) | 0.578 |
| Post-bd FEV1, % ref. | 46.6 (13.7) | 45.1 (13.1) | 45.9 (11.7) | 0.879 |
| FEV1/FVC, % | 52.7 (13.8) | 48.8 (13.2) | 52.7 (11.9) | 0.291 |
| Fibrinogen, mg/dL | 327 (145) | 430 (172) | 338 (221) | 0.132 |
| CRP, IU/mL | 8.2 (6.9) | 8.1 (8.5) | 9.1 (10) | 0.947 |
| Long-acting bronchodilators, % | 97% | 98% | 96% | 0.956 |
| Inhaled corticosteroids, % | 64% | 69% | 66% | 0.879 |
| Triple therapy, % | 51.8% | 58.7% | 64% | 0.676 |
| Long-term antibiotics | 26% | 23% | 15% | 0.064 |
| Macrolides | 28% | 25.4% | 16% | 0.086 |