Description of groups and demographic characteristics of recruited patients for pleural effusion study
| MPM | Other neoplasia | BPE | |
| Description | 96 | 105 | 26 |
| 76 epithelioid | 60 lung | ||
| 7 sarcomatoid | 45 others | ||
| 8 biphasic | |||
| 5 unspecified | |||
| Age, years (mean±SD) | 68.8±9.6 | 64.3±16.6 | 74.1±11.5 |
| Male sex, (%) | 83.3 | 54.3 | 84.6 |
| Confirmed asbestos exposure (%) | 68.7 | 15.2 | 30.7 |
MPM, malignant pleural mesothelioma ; BPE, benign pleural effusion