Pleural fluid analysis
| Parameters | Value (normal) |
| Cell count | |
| White cell | 834×109/L |
| Neutrophil | 38% |
| Lymphocyte | 62% |
| Eosinophil | 0% |
| Chemistry | |
| pH | 7.3 (6.5–7.5) |
| LDH | 74 U/L |
| Protein | 1.5 g/dL |
| Albumin | 0.9 g/dL |
| Glucose | 116 mg/dL |
| Serum studies | |
| LDH | 157 U/L |
| Serum protein | 5.4 (6.6–8.7 g/dL) |
| Serum albumin | 3.1 (3.5–5.2 g/dL) |
LDH, lactate dehydrogenase.