Table 1.
Clinical characteristics of patients with malignant mesothelioma
| Characteristic | Epithelioid (N = 73) | Sarcomatoid (N = 9) | P value |
|---|---|---|---|
| Age, median | 60 y | 56 y | .51 |
| Sex, n (%) | |||
| Male | 52 (63%) | 6 (7.3%) | .52 |
| Female | 21 (25.6%) | 3 (3.7%) | |
| Asbestos exposure a , n (%) | |||
| No | 35 (42.7%) | 3 (3.7%) | .32 |
| Yes | 38 (46.3%) | 6 (7.3%) | |
| Site of malignant mesothelioma, n (%) | |||
| Pleura | 54 (65.9%) | 8 (9.8%) | .57 |
| Extrapleural | 19 (23.2%) | 1 (1.2%) | |
| Stage b III/IV | 73 (100%) | 9 (100%) | |
| Specimen type | |||
| Biopsy | 11 (13.4%) | 1 (1.2%) | .60 |
| Surgical resection | 62 (75.6%) | 8 (9.8%) | |
| Treatment, n (%) | |||
| Surgery | 62 (75.6%) | 8 (9.8%) | .54 |
| Chemotherapy | 13 (15%) | 2 (2.3%) | .55 |
| Follow‐up, median | 22 mo | 11 mo | .56 |
a
Asbestos unknown: nine epithelioid MM.
b
Per International Association for the Study of Lung Cancer (IASLC) criteria. 31