Table 2.
Clinical and demographic data of the study group
| Data | Total (n=58) | Pneumonic exacerbations (PEs) (n=25) | Non-pneumonic exacerbations (NPEs) (n=33) |
|---|---|---|---|
| Age (year) | 73.9±8.21 | 74.5±7.71 | 73.4±8.64 |
| Male gender, n (%) | 53 (91.38) | 23 (92.00) | 30 (90.91) |
| BMI (kg/m2) | 28.8±5.75 | 30.15±5.80 | 27.8±5.53 |
| Smokers, n (%) | 15 (25.86) | 6 (24.00) | 9 (27.27) |
| Ex-smokers, n (%) | 43 (74.14) | 19 (76.00) | 24 (72.73) |
| COPD grade I, n (%) | 1 (1.72) | 1 (4.00) | 0 (0.00) |
| COPD grade II, n (%) | 11 (18.97) | 6 (24.00) | 5 (15.15) |
| COPD grade III, n (%) | 18 (31.03) | 10 (40.00) | 8 (24.24) |
| COPD grade IV, n (%) | 28 (48.28) | 8 (32.00) | 20 (60.61) |
| Leukocyte count | 13±6.14 | 15.1±6.92 | 11.4±4.48 |
| Neutrophils | 10.3±5.73 | 12.8±6.44 | 8.4±3.73 |
| % Neutrophils | 77.4±13.72 | 82.7±14.59 | 73.4±15.42 |
| CRP (mg/dl) | 9.5±10.19 | 16±11.29 | 4.7±4.61 |
Values are given as mean±SD or number (%).
Leukocyte and neutrophils count expressed in thousands/mm3. COPD severity was classified according to the GOLD guidelines 2011.4
BMI, body mass index; COPD, chronic obstructive pulmonary disease; CRP, C-reactive protein.