Pleural fluid findings of patients with RPT >10 mm and ⩽10 mm
| Pleural fluid analyses | RPT >10 mm | RPT ⩽10 mm | p Value |
| (n = 20) | (n = 67) | ||
| Lymphocyte (%) | 89.5 (76.5–93.5) | 88.0 (74.0–93.0) | 0.956 |
| Neutrophil (%) | 10.0 (5.0–17.0) | 8.0 (3.0–18.0) | 0.479 |
| Leucocytes (cells/mm) | 1732 (890–2647) | 1960 (1000–3520) | 0.139 |
| LDH (U/l) | 584 (290–682) | 183 (127–399) | 0.001 |
| Protein (g/dl) | 4.75 (4.25–5.45) | 5.0 (4.40–5.40) | 0.495 |
| Glucose (mg/dl) | 93 (43–132) | 95 (78–114) | 0.684 |
| pH | 7.20 (7.18–7.24) | 7.21 (7.18–7.29) | 0.126 |
| CEA (ng/ml) | 3.0 (2.0–3.7) | 3.1 (2.4–3.5) | 0.571 |
Data are expressed as median (25–75% range).
CEA, carcinoembryonic antigen; LDH, lactate dehydrogenase; RPT, residual pleural thickening.