Table 1.
The Clinical and Laboratory Features of Patients with S. constellatus Empyema
| Term | Total (n = 9) |
|---|---|
| Age (y); mean ± SD | 53.78±11.96 |
| Gender-male n (%) | 6 (66.7%) |
| BMI; mean ± SD (kg/m^2) | 23.73±2.16 |
| Comorbidity diseases n (%) | 7 (77.8%) |
| Chronic pulmonary disease and heart failure | 1 (11.1%) |
| Atrial septal defect | 1 (11.1%) |
| Diabetes mellitus | 4 (44.4%) |
| Chronic anemia (hemoglobin <90g/L) | 1 (11.1%) |
| Hypoalbuminemia n (%) | 9 (100%) |
| Smoking history n (%) | 4 (44.4%) |
| Achohol n (%) | 1 (11.1%) |
| From symptom onset to purulent pleural fulid drained (days) | 14.2±6.14 |
| Symptoms at presentation n (%) | |
| Fever | 9 (100%) |
| Cough | 8 (88.9%) |
| Sputum | 6 (66.7%) |
| Chest pain | 6 (66.7%) |
| Chest distress | 2 (22.2%) |
| Dyspnea | 7 (77.8%) |
| Previous antibiotic treatment n (%) | 2 (22.2%) |
| Laboratory findings at presentation | |
| White blood cell counts (10^9cells/L) | 17.37±7.10 |
| Neutrophil percentage | 0.85±0.05 |
| c-reactive protein (normal 0–10 mg/L) | 198.6±56.78 |
| Procalcitonin (normal 0–0.05ng/mL) | 1.55±1.64 |
| Rrythrocyte sedimentation rate (normal 0–20mm/h) | 89.57±14.50 |
| serum albumin (normal 40–45 g/L) | 30.91±4.09 |
| Bacteriology of thoracic drainage fluid n (%) | |
| Only S. constellatus | 6 (66.7%) |
| Mixed infection | 3 (33.3%) |
| Blood culture n (%) | 8 |
| Bacteremia | 0 |
| No bacteria cultured | 8 (88.9%) |