Characteristics of MM subtypes
| Epitheloid | Sarcomatoid | Biphasic | p-value | |
| Sex (%male) | 84.0 | 90.3 | 89.4 | 0.009 |
| Age at diagnosis (yrs)* | 66.8 (11.9) | 70.2 (9.9) | 66.4 (11.4) | <0.001 |
| Time since 1st exposure (yrs)* | 43.2 (11.9) | 45.4 (11.5) | 41.7 (11.8) | 0.004 |
| Smoking (%) | 55.6 | 50.2 | 53.7 | 0.390 |
| Exposure type (%Crocidolite) | 24.7 | 14.7 | 26.9 | 0.003 |
| Exposure route (%Environmental) | 15.9 | 8.4 | 11.2 | <0.001 |
| Topography (%Pleural) | 91.5 | 98.7 | 94.3 | <0.001 |
*Mean (SD)