Table 1.

General characteristics of the study participants

Group 1Group 2Group 3Group 4
No. patients4817736101
Age ± SD, y30 ± 752 ± 1064 ± 658 ± 6
Gender, n (%)
    Male46 (95.6)170 (96)28 (77.77)100 (99)
    Female2 (4.2)7 (4)8 (22.23)1 (1)
Time of exposure, y (mean ± SD)*Not applicable12 ± 1018 ± 12 data of 15 from total patients17 ± 10
Type of exposure, n (%)*Not applicableAsbestos cement 5 (2.8)Asbestos cement 3 (20)Asbestos cement 2 (1.9)
Shipyard 72 (40.8)Shipyard 10 (66)Shipyard 66 (65.3)
Insulation 41 (23.16)Building 2 (14)Insulation 14 (13.8)
Building 17 (9.6)Building 9 (8.9)
Others 42 (23.72)Others 10 (10.1)
Type of disease, n (%)Not applicableNot applicablePleural effusion 20 (19.8)
Asbestosis 11 (10.8)
Pleural plaques 22 (21.8)
Asbestosis + pleural plaques 14 (13.8)
Pleural fibrosis 26 (25.9)
Rounded atelectasis 8 (7.9)
  • NOTE: Group 1: Healthy comparison subjects. Group 2: Patients with previous asbestos exposure and no pleural disease. Group 3: Patients with MPM. Group 4: Patients with previous asbestos exposure and benign pleural disease.

  • * Data in group 3 about time and type of exposition are incomplete because of retrospective collection in some cases. We present time and type of exposure from 15 patients.