Table 1.
Demographic and pathological features of patients with MM or RMP.
| Characteristics | MPM P/D (n = 45) | MM Biopsy (n = 110) |
RMP (n = 33) |
|---|---|---|---|
| Gender | |||
| Male (%) | 39 (87) | 88 (80) | 25 (76) |
| Female (%) | 6 (13) | 22 (20) | 8 (24) |
| Age, mean (range) | 68 (40–74) | 70 (40–86) | 39 (17–79) |
| Smoking history | |||
| Ex/current smoker (%) | 29 (64) | 83 (75) | 20 (60) |
| Non-smoker (%) | 16 (36) | 27 (25) | 13 (40) |
| Asbestos exposure | |||
| Yes (%) | 34 (76) | 77 (70) | 0 |
| No (%) | 11 (24) | 33 (30) | 33 (100) |
| Chemotherapy (cisplatin + pemetrexed) (%) | 45 (100) | 0 | 0 |
| Histological type | |||
| Epithelioid (%) | 20 (44) | 57 (52) | |
| Biphasic (%) | 25 (56) | 43 (39) | |
| Sarcomatoid (%) | 0 | 10 (9) | |
| Site | |||
| Pleura (%) | 45 (100) | 97 (88) | 33 (100) |
| Peritoneum (%) | 13 (12) |
MM biopsy: diagnostic biopsy from malignant mesothelioma; MPM P/D: malignant pleural mesothelioma removed by pleurectomy/decortication; RMP: reactive mesothelial proliferation.